We divide 7902312 by 409
We want to figure out the number of times 7902312 can be divided by 409.

Moving on to step 1:
When dividing 7 by 409, we get 0 with a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Fetch the next digit (9) from the dividend, attach it to 7 and continue: 79 / 409

Going ahead to step 2:
The number 409 fits into 79 0 times, leaving a remainder of 79.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 79 after subtracting 0 from 79.
Bring next digit (0) of the dividend behind the 79 and repeat the process: 790 / 409

Step 3:
409 can be fit into 790 1 times, resulting in a remainder of 381.
The next digit of our result is 1. 
Result so far: 1.0
If we take 409 away from 790, we end up with 381.
Take the next digit (2) from the dividend and append it to 381, then repeat: 3812 / 409

Moving on to step 4:
3812 divided by 409 is 9 with a remainder of 131.
Record the quotient 9 as the next digit in the result. 
Result so far: 19.0
Subtract 3681 from 3812 to get 131.
Take the next digit (3) from the dividend and append it to 131, then repeat: 1313 / 409

Going ahead to step 5:
409 can be fit into 1313 3 times, resulting in a remainder of 86.
Write down 3 as next digit of the result. 
Result so far: 193.0
Deduct 1227 from 1313 and we're left with 86.
Append the next digit (1) from the dividend to 86 and continue with: 861 / 409

Going ahead to step 6:
861 divided by 409 is 2 with a remainder of 43.
Record the quotient 2 as the next digit in the result. 
Result so far: 1932.0
If we take 818 away from 861, we end up with 43.
Take the next digit (2) from the dividend and append it to 43, then repeat: 432 / 409

On to step 7:
The number 409 fits into 432 1 times, leaving a remainder of 23.
The number 1 becomes the next digit in our result. 
Result so far: 19321.0
Subtracting 409 from 432 leaves us 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.

Let's proceed to step 8:
409 goes into 230 0 times with a remainder of 230.
Write down 0 as next digit of the result. 
Result so far: 19321.0
Subtracting 0 from 230 leaves us with 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

Step 9:
When dividing 2300 by 409, we get 5 with a remainder of 255.
Write down 5 as next digit of the result. 
Result so far: 19321.05
The remainder is 255 after subtracting 2045 from 2300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2550, and continue the process.

Going ahead to step 10:
If we divide 2550 by 409, we get 6 and a remainder of 96.
Use 6 as the next digit of our solution. 
Result so far: 19321.056
If we take 2454 away from 2550, we end up with 96.
Since there are no more digits in the dividend, we add a zero to the remainder making it 960, and continue the process.

Moving on to step 11:
The number 409 fits into 960 2 times, leaving a remainder of 142.
The number 2 becomes the next digit in our result. 
Result so far: 19321.0562
Subtract 818 from 960 to get 142.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1420, and continue the process.

Going ahead to step 12:
409 can be fit into 1420 3 times, resulting in a remainder of 193.
Record the quotient 3 as the next digit in the result. 
Result so far: 19321.05623
Subtracting 1227 from 1420 leaves us with 193.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1930, and continue the process.

Going ahead to step 13:
409 can be fit into 1930 4 times, resulting in a remainder of 294.
Put 4 as the next digit of the answer. 
Result so far: 19321.056234
The remainder is 294 after subtracting 1636 from 1930.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2940, and continue the process.

Advancing to step 14:
409 can be fit into 2940 7 times, resulting in a remainder of 77.
Use 7 as the next digit of our solution. 
Result so far: 19321.0562347
Subtract 2863 from 2940 to get 77.
Since there are no more digits in the dividend, we add a zero to the remainder making it 770, and continue the process.

Going ahead to step 15:
409 can be fit into 770 1 times, resulting in a remainder of 361.
The next digit of our result is 1. 
Result so far: 19321.05623471
The remainder is 361 after subtracting 409 from 770.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3610, and continue the process.

After the division, we end up with 19321.05623471 and a remainder of 3.61e-07.