25921436 ÷ 286 
Our goal is to divide 25921436 by 286.

Advancing to step 1:
If we divide 2 by 286, we get 0 and a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Bring next digit (5) of the dividend behind the 2 and repeat the process: 25 / 286

On to step 2:
286 can be fit into 25 0 times, resulting in a remainder of 25.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 25, we end up with 25.
Grab the next digit (9) from the dividend, add it to 25, then carry on: 259 / 286

Advancing to step 3:
If we divide 259 by 286, we get 0 and a remainder of 259.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 259, we get 259.
Append the next digit (2) from the dividend to 259 and continue with: 2592 / 286

Let's proceed to step 4:
286 goes into 2592 9 times with a remainder of 18.
Use 9 as the next digit of our solution. 
Result so far: 9.0
Deduct 2574 from 2592 and we're left with 18.
Fetch the next digit (1) from the dividend, attach it to 18 and continue: 181 / 286

Advancing to step 5:
The number 286 fits into 181 0 times, leaving a remainder of 181.
Use 0 as the next digit of our solution. 
Result so far: 90.0
The remainder is 181 after subtracting 0 from 181.
Include the next digit (4) from the dividend after 181, then repeat: 1814 / 286

Let's proceed to step 6:
286 goes into 1814 6 times with a remainder of 98.
Write down 6 as next digit of the result. 
Result so far: 906.0
If we take 1716 away from 1814, we end up with 98.
Bring next digit (3) of the dividend behind the 98 and repeat the process: 983 / 286

Advancing to step 7:
If we divide 983 by 286, we get 3 and a remainder of 125.
The number 3 becomes the next digit in our result. 
Result so far: 9063.0
If we take 858 away from 983, we end up with 125.
Include the next digit (6) from the dividend after 125, then repeat: 1256 / 286

Going ahead to step 8:
The number 286 fits into 1256 4 times, leaving a remainder of 112.
Put 4 as the next digit of the answer. 
Result so far: 90634.0
If we take 1144 away from 1256, we end up with 112.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

Let's proceed to step 9:
The number 286 fits into 1120 3 times, leaving a remainder of 262.
Use 3 as the next digit of our solution. 
Result so far: 90634.3
Subtract 858 from 1120 to get 262.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2620, and continue the process.

Moving on to step 10:
When dividing 2620 by 286, we get 9 with a remainder of 46.
Record the quotient 9 as the next digit in the result. 
Result so far: 90634.39
Subtracting 2574 from 2620 leaves us with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Step 11:
460 divided by 286 is 1 with a remainder of 174.
Put 1 as the next digit of the answer. 
Result so far: 90634.391
Deduct 286 from 460 and we're left with 174.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1740, and continue the process.

Going ahead to step 12:
286 can be fit into 1740 6 times, resulting in a remainder of 24.
Write down 6 as next digit of the result. 
Result so far: 90634.3916
If we subtract 1716 from 1740, we get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Going ahead to step 13:
If we divide 240 by 286, we get 0 and a remainder of 240.
Record the quotient 0 as the next digit in the result. 
Result so far: 90634.3916
Deduct 0 from 240 and we're left with 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Going ahead to step 14:
The number 286 fits into 2400 8 times, leaving a remainder of 112.
The next digit of our result is 8. 
Result so far: 90634.391608
If we subtract 2288 from 2400, we get 112.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

On to step 15:
If we divide 1120 by 286, we get 3 and a remainder of 262.
Record the quotient 3 as the next digit in the result. 
Result so far: 90634.3916083
If we take 858 away from 1120, we end up with 262.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2620, and continue the process.

Step 16:
When dividing 2620 by 286, we get 9 with a remainder of 46.
Use 9 as the next digit of our solution. 
Result so far: 90634.39160839
Subtracting 2574 from 2620 leaves us with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

The final outcome is 90634.39160839, with a leftover of 4.6e-08.