288172 divided by 31 
Our goal is to divide 288172 by 31.

Step 1:
The number 31 fits into 2 0 times, leaving a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Append the next digit (8) from the dividend to 2 and continue with: 28 / 31

On to step 2:
31 can be fit into 28 0 times, resulting in a remainder of 28.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 28 and we're left with 28.
Fetch the next digit (8) from the dividend, attach it to 28 and continue: 288 / 31

Let's proceed to step 3:
288 divided by 31 is 9 with a remainder of 9.
Record the quotient 9 as the next digit in the result. 
Result so far: 9.0
If we subtract 279 from 288, we get 9.
Grab the next digit (1) from the dividend, add it to 9, then carry on: 91 / 31

Let's proceed to step 4:
31 goes into 91 2 times with a remainder of 29.
Put 2 as the next digit of the answer. 
Result so far: 92.0
Deduct 62 from 91 and we're left with 29.
Bring next digit (7) of the dividend behind the 29 and repeat the process: 297 / 31

Going ahead to step 5:
31 goes into 297 9 times with a remainder of 18.
Write down 9 as next digit of the result. 
Result so far: 929.0
Subtracting 279 from 297 leaves us with 18.
Append the next digit (2) from the dividend to 18 and continue with: 182 / 31

On to step 6:
31 goes into 182 5 times with a remainder of 27.
The number 5 becomes the next digit in our result. 
Result so far: 9295.0
Subtracting 155 from 182 leaves us with 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

On to step 7:
The number 31 fits into 270 8 times, leaving a remainder of 22.
The next digit of our result is 8. 
Result so far: 9295.8
If we subtract 248 from 270, we get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Advancing to step 8:
31 goes into 220 7 times with a remainder of 3.
The next digit of our result is 7. 
Result so far: 9295.87
Subtracting 217 from 220 leaves us with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Step 9:
31 goes into 30 0 times with a remainder of 30.
Put 0 as the next digit of the answer. 
Result so far: 9295.87
If we take 0 away from 30, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Going ahead to step 10:
31 can be fit into 300 9 times, resulting in a remainder of 21.
The number 9 becomes the next digit in our result. 
Result so far: 9295.8709
If we subtract 279 from 300, we get 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Step 11:
The number 31 fits into 210 6 times, leaving a remainder of 24.
Put 6 as the next digit of the answer. 
Result so far: 9295.87096
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.

Advancing to step 12:
240 divided by 31 is 7 with a remainder of 23.
The next digit of our result is 7. 
Result so far: 9295.870967
If we subtract 217 from 240, we get 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Advancing to step 13:
230 divided by 31 is 7 with a remainder of 13.
Put 7 as the next digit of the answer. 
Result so far: 9295.8709677
Deduct 217 from 230 and we're left with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

The final outcome is 9295.8709677, with a leftover of 1.3e-07.