We look at the division of 20209200 by 431 
The aim is to understand the frequency of 431 in 20209200.

Step 1:
2 divided by 431 is 0 with a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Grab the next digit (0) from the dividend, add it to 2, then carry on: 20 / 431

Step 2:
When dividing 20 by 431, we get 0 with a remainder of 20.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 20, we end up with 20.
Append the next digit (2) from the dividend to 20 and continue with: 202 / 431

Let's proceed to step 3:
The number 431 fits into 202 0 times, leaving a remainder of 202.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 202 leaves us with 202.
Append the next digit (0) from the dividend to 202 and continue with: 2020 / 431

Going ahead to step 4:
The number 431 fits into 2020 4 times, leaving a remainder of 296.
Write down 4 as next digit of the result. 
Result so far: 4.0
The remainder is 296 after subtracting 1724 from 2020.
Bring next digit (9) of the dividend behind the 296 and repeat the process: 2969 / 431

Advancing to step 5:
When dividing 2969 by 431, we get 6 with a remainder of 383.
Write down 6 as next digit of the result. 
Result so far: 46.0
If we subtract 2586 from 2969, we get 383.
Bring next digit (2) of the dividend behind the 383 and repeat the process: 3832 / 431

Step 6:
3832 divided by 431 is 8 with a remainder of 384.
Use 8 as the next digit of our solution. 
Result so far: 468.0
Subtract 3448 from 3832 to get 384.
Bring next digit (0) of the dividend behind the 384 and repeat the process: 3840 / 431

On to step 7:
431 goes into 3840 8 times with a remainder of 392.
The next digit of our result is 8. 
Result so far: 4688.0
Subtracting 3448 from 3840 leaves us with 392.
Bring next digit (0) of the dividend behind the 392 and repeat the process: 3920 / 431

Going ahead to step 8:
When dividing 3920 by 431, we get 9 with a remainder of 41.
The number 9 becomes the next digit in our result. 
Result so far: 46889.0
If we subtract 3879 from 3920, we get 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Let's proceed to step 9:
431 goes into 410 0 times with a remainder of 410.
Put 0 as the next digit of the answer. 
Result so far: 46889.0
Subtracting 0 from 410 leaves us with 410.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4100, and continue the process.

On to step 10:
431 can be fit into 4100 9 times, resulting in a remainder of 221.
Write down 9 as next digit of the result. 
Result so far: 46889.09
The remainder is 221 after subtracting 3879 from 4100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2210, and continue the process.

Let's proceed to step 11:
2210 divided by 431 is 5 with a remainder of 55.
Put 5 as the next digit of the answer. 
Result so far: 46889.095
Deduct 2155 from 2210 and we're left with 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

On to step 12:
When dividing 550 by 431, we get 1 with a remainder of 119.
Use 1 as the next digit of our solution. 
Result so far: 46889.0951
If we take 431 away from 550, we end up with 119.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1190, and continue the process.

On to step 13:
431 goes into 1190 2 times with a remainder of 328.
Write down 2 as next digit of the result. 
Result so far: 46889.09512
If we subtract 862 from 1190, we get 328.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3280, and continue the process.

Going ahead to step 14:
The number 431 fits into 3280 7 times, leaving a remainder of 263.
Record the quotient 7 as the next digit in the result. 
Result so far: 46889.095127
Deduct 3017 from 3280 and we're left with 263.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2630, and continue the process.

Advancing to step 15:
The number 431 fits into 2630 6 times, leaving a remainder of 44.
The next digit of our result is 6. 
Result so far: 46889.0951276
If we take 2586 away from 2630, we end up with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Moving on to step 16:
431 can be fit into 440 1 times, resulting in a remainder of 9.
The number 1 becomes the next digit in our result. 
Result so far: 46889.09512761
Subtract 431 from 440 to get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

The final result is 46889.09512761 with a remainder of 9e-09.