21238150 ÷ 817 
We want to divide 21238150 by 817.

Let's proceed to step 1:
817 can be fit into 2 0 times, resulting in a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Bring next digit (1) of the dividend behind the 2 and repeat the process: 21 / 817

Going ahead to step 2:
When dividing 21 by 817, we get 0 with a remainder of 21.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 21 after subtracting 0 from 21.
Bring next digit (2) of the dividend behind the 21 and repeat the process: 212 / 817

Going ahead to step 3:
817 can be fit into 212 0 times, resulting in a remainder of 212.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 212 and we're left with 212.
Bring next digit (3) of the dividend behind the 212 and repeat the process: 2123 / 817

Moving on to step 4:
817 goes into 2123 2 times with a remainder of 489.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
Deduct 1634 from 2123 and we're left with 489.
Include the next digit (8) from the dividend after 489, then repeat: 4898 / 817

Going ahead to step 5:
If we divide 4898 by 817, we get 5 and a remainder of 813.
Put 5 as the next digit of the answer. 
Result so far: 25.0
If we subtract 4085 from 4898, we get 813.
Append the next digit (1) from the dividend to 813 and continue with: 8131 / 817

On to step 6:
817 can be fit into 8131 9 times, resulting in a remainder of 778.
The number 9 becomes the next digit in our result. 
Result so far: 259.0
The remainder is 778 after subtracting 7353 from 8131.
Take the next digit (5) from the dividend and append it to 778, then repeat: 7785 / 817

Step 7:
7785 divided by 817 is 9 with a remainder of 432.
Write down 9 as next digit of the result. 
Result so far: 2599.0
The remainder is 432 after subtracting 7353 from 7785.
Bring next digit (0) of the dividend behind the 432 and repeat the process: 4320 / 817

Let's proceed to step 8:
817 goes into 4320 5 times with a remainder of 235.
Put 5 as the next digit of the answer. 
Result so far: 25995.0
Deduct 4085 from 4320 and we're left with 235.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2350, and continue the process.

Moving on to step 9:
The number 817 fits into 2350 2 times, leaving a remainder of 716.
The number 2 becomes the next digit in our result. 
Result so far: 25995.2
Deduct 1634 from 2350 and we're left with 716.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7160, and continue the process.

Let's proceed to step 10:
817 can be fit into 7160 8 times, resulting in a remainder of 624.
The number 8 becomes the next digit in our result. 
Result so far: 25995.28
Deduct 6536 from 7160 and we're left with 624.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6240, and continue the process.

Moving on to step 11:
When dividing 6240 by 817, we get 7 with a remainder of 521.
Put 7 as the next digit of the answer. 
Result so far: 25995.287
Subtract 5719 from 6240 to get 521.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5210, and continue the process.

Moving on to step 12:
817 can be fit into 5210 6 times, resulting in a remainder of 308.
The next digit of our result is 6. 
Result so far: 25995.2876
The remainder is 308 after subtracting 4902 from 5210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3080, and continue the process.

Going ahead to step 13:
3080 divided by 817 is 3 with a remainder of 629.
The next digit of our result is 3. 
Result so far: 25995.28763
If we subtract 2451 from 3080, we get 629.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6290, and continue the process.

Let's proceed to step 14:
817 can be fit into 6290 7 times, resulting in a remainder of 571.
Write down 7 as next digit of the result. 
Result so far: 25995.287637
If we subtract 5719 from 6290, we get 571.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5710, and continue the process.

Going ahead to step 15:
The number 817 fits into 5710 6 times, leaving a remainder of 808.
Use 6 as the next digit of our solution. 
Result so far: 25995.2876376
The remainder is 808 after subtracting 4902 from 5710.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8080, and continue the process.

Step 16:
817 goes into 8080 9 times with a remainder of 727.
Put 9 as the next digit of the answer. 
Result so far: 25995.28763769
If we subtract 7353 from 8080, we get 727.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7270, and continue the process.

In conclusion, the division gives 25995.28763769 with a balance of 7.27e-07.