We divide 1288939 by 815
Our goal is to divide 1288939 by 815.

Going ahead to step 1:
If we divide 1 by 815, we get 0 and a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Bring next digit (2) of the dividend behind the 1 and repeat the process: 12 / 815

Advancing to step 2:
The number 815 fits into 12 0 times, leaving a remainder of 12.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 12 leaves us with 12.
Bring next digit (8) of the dividend behind the 12 and repeat the process: 128 / 815

On to step 3:
If we divide 128 by 815, we get 0 and a remainder of 128.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 128 after subtracting 0 from 128.
Append the next digit (8) from the dividend to 128 and continue with: 1288 / 815

Moving on to step 4:
815 can be fit into 1288 1 times, resulting in a remainder of 473.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we take 815 away from 1288, we end up with 473.
Take the next digit (9) from the dividend and append it to 473, then repeat: 4739 / 815

Going ahead to step 5:
The number 815 fits into 4739 5 times, leaving a remainder of 664.
Write down 5 as next digit of the result. 
Result so far: 15.0
The remainder is 664 after subtracting 4075 from 4739.
Include the next digit (3) from the dividend after 664, then repeat: 6643 / 815

On to step 6:
815 can be fit into 6643 8 times, resulting in a remainder of 123.
Put 8 as the next digit of the answer. 
Result so far: 158.0
If we subtract 6520 from 6643, we get 123.
Include the next digit (9) from the dividend after 123, then repeat: 1239 / 815

On to step 7:
When dividing 1239 by 815, we get 1 with a remainder of 424.
Put 1 as the next digit of the answer. 
Result so far: 1581.0
If we subtract 815 from 1239, we get 424.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4240, and continue the process.

Going ahead to step 8:
The number 815 fits into 4240 5 times, leaving a remainder of 165.
Record the quotient 5 as the next digit in the result. 
Result so far: 1581.5
Deduct 4075 from 4240 and we're left with 165.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1650, and continue the process.

Step 9:
When dividing 1650 by 815, we get 2 with a remainder of 20.
The next digit of our result is 2. 
Result so far: 1581.52
If we subtract 1630 from 1650, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 10:
815 can be fit into 200 0 times, resulting in a remainder of 200.
Write down 0 as next digit of the result. 
Result so far: 1581.52
If we take 0 away from 200, we end up with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Step 11:
If we divide 2000 by 815, we get 2 and a remainder of 370.
The next digit of our result is 2. 
Result so far: 1581.5202
If we subtract 1630 from 2000, we get 370.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3700, and continue the process.

Let's proceed to step 12:
815 goes into 3700 4 times with a remainder of 440.
The number 4 becomes the next digit in our result. 
Result so far: 1581.52024
If we take 3260 away from 3700, we end up with 440.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4400, and continue the process.

Step 13:
815 can be fit into 4400 5 times, resulting in a remainder of 325.
Record the quotient 5 as the next digit in the result. 
Result so far: 1581.520245
The remainder is 325 after subtracting 4075 from 4400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3250, and continue the process.

Step 14:
815 can be fit into 3250 3 times, resulting in a remainder of 805.
Write down 3 as next digit of the result. 
Result so far: 1581.5202453
Subtracting 2445 from 3250 leaves us with 805.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8050, and continue the process.

On to step 15:
815 can be fit into 8050 9 times, resulting in a remainder of 715.
Use 9 as the next digit of our solution. 
Result so far: 1581.52024539
If we take 7335 away from 8050, we end up with 715.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7150, and continue the process.

The final result is 1581.52024539 with a remainder of 7.15e-07.