743596 ÷ 31 
The aim is to understand the frequency of 31 in 743596.

Step 1:
7 divided by 31 is 0 with a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Bring next digit (4) of the dividend behind the 7 and repeat the process: 74 / 31

Let's proceed to step 2:
When dividing 74 by 31, we get 2 with a remainder of 12.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
The remainder is 12 after subtracting 62 from 74.
Take the next digit (3) from the dividend and append it to 12, then repeat: 123 / 31

Moving on to step 3:
31 can be fit into 123 3 times, resulting in a remainder of 30.
Record the quotient 3 as the next digit in the result. 
Result so far: 23.0
If we subtract 93 from 123, we get 30.
Bring next digit (5) of the dividend behind the 30 and repeat the process: 305 / 31

Let's proceed to step 4:
The number 31 fits into 305 9 times, leaving a remainder of 26.
Record the quotient 9 as the next digit in the result. 
Result so far: 239.0
If we subtract 279 from 305, we get 26.
Grab the next digit (9) from the dividend, add it to 26, then carry on: 269 / 31

Moving on to step 5:
When dividing 269 by 31, we get 8 with a remainder of 21.
Use 8 as the next digit of our solution. 
Result so far: 2398.0
The remainder is 21 after subtracting 248 from 269.
Append the next digit (6) from the dividend to 21 and continue with: 216 / 31

Advancing to step 6:
216 divided by 31 is 6 with a remainder of 30.
Record the quotient 6 as the next digit in the result. 
Result so far: 23986.0
Subtract 186 from 216 to get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Let's proceed to step 7:
If we divide 300 by 31, we get 9 and a remainder of 21.
Write down 9 as next digit of the result. 
Result so far: 23986.9
If we take 279 away from 300, we end up with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Going ahead to step 8:
31 goes into 210 6 times with a remainder of 24.
Use 6 as the next digit of our solution. 
Result so far: 23986.96
Subtract 186 from 210 to 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.

Let's proceed to step 9:
If we divide 240 by 31, we get 7 and a remainder of 23.
The number 7 becomes the next digit in our result. 
Result so far: 23986.967
If we take 217 away from 240, we end up with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Moving on to step 10:
If we divide 230 by 31, we get 7 and a remainder of 13.
Use 7 as the next digit of our solution. 
Result so far: 23986.9677
Subtract 217 from 230 to get 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

In conclusion, the division gives 23986.9677 with a balance of 0.00013.