We look at the division of 21050239 by 493 
We want to divide 21050239 by 493.

Step 1:
2 divided by 493 is 0 with a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Bring next digit (1) of the dividend behind the 2 and repeat the process: 21 / 493

Advancing to step 2:
When dividing 21 by 493, we get 0 with a remainder of 21.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 21 and we're left with 21.
Bring next digit (0) of the dividend behind the 21 and repeat the process: 210 / 493

Going ahead to step 3:
493 can be fit into 210 0 times, resulting in a remainder of 210.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 210 and we're left with 210.
Take the next digit (5) from the dividend and append it to 210, then repeat: 2105 / 493

Going ahead to step 4:
2105 divided by 493 is 4 with a remainder of 133.
Write down 4 as next digit of the result. 
Result so far: 4.0
Subtract 1972 from 2105 to get 133.
Fetch the next digit (0) from the dividend, attach it to 133 and continue: 1330 / 493

Going ahead to step 5:
If we divide 1330 by 493, we get 2 and a remainder of 344.
Use 2 as the next digit of our solution. 
Result so far: 42.0
Subtracting 986 from 1330 leaves us with 344.
Take the next digit (2) from the dividend and append it to 344, then repeat: 3442 / 493

Let's proceed to step 6:
If we divide 3442 by 493, we get 6 and a remainder of 484.
The next digit of our result is 6. 
Result so far: 426.0
Subtracting 2958 from 3442 leaves us with 484.
Append the next digit (3) from the dividend to 484 and continue with: 4843 / 493

On to step 7:
493 can be fit into 4843 9 times, resulting in a remainder of 406.
Write down 9 as next digit of the result. 
Result so far: 4269.0
Subtracting 4437 from 4843 leaves us with 406.
Bring next digit (9) of the dividend behind the 406 and repeat the process: 4069 / 493

Step 8:
493 goes into 4069 8 times with a remainder of 125.
Use 8 as the next digit of our solution. 
Result so far: 42698.0
If we take 3944 away from 4069, we end up with 125.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1250, and continue the process.

Let's proceed to step 9:
493 goes into 1250 2 times with a remainder of 264.
Put 2 as the next digit of the answer. 
Result so far: 42698.2
If we subtract 986 from 1250, we get 264.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2640, and continue the process.

Let's proceed to step 10:
493 can be fit into 2640 5 times, resulting in a remainder of 175.
Record the quotient 5 as the next digit in the result. 
Result so far: 42698.25
Deduct 2465 from 2640 and we're left with 175.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1750, and continue the process.

Going ahead to step 11:
The number 493 fits into 1750 3 times, leaving a remainder of 271.
The number 3 becomes the next digit in our result. 
Result so far: 42698.253
Subtract 1479 from 1750 to get 271.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2710, and continue the process.

Let's proceed to step 12:
493 can be fit into 2710 5 times, resulting in a remainder of 245.
Record the quotient 5 as the next digit in the result. 
Result so far: 42698.2535
The remainder is 245 after subtracting 2465 from 2710.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2450, and continue the process.

Let's proceed to step 13:
493 goes into 2450 4 times with a remainder of 478.
Write down 4 as next digit of the result. 
Result so far: 42698.25354
Subtracting 1972 from 2450 leaves us with 478.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4780, and continue the process.

Step 14:
The number 493 fits into 4780 9 times, leaving a remainder of 343.
Use 9 as the next digit of our solution. 
Result so far: 42698.253549
Subtract 4437 from 4780 to get 343.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3430, and continue the process.

Let's proceed to step 15:
If we divide 3430 by 493, we get 6 and a remainder of 472.
Use 6 as the next digit of our solution. 
Result so far: 42698.2535496
Deduct 2958 from 3430 and we're left with 472.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4720, and continue the process.

Let's proceed to step 16:
The number 493 fits into 4720 9 times, leaving a remainder of 283.
The next digit of our result is 9. 
Result so far: 42698.25354969
The remainder is 283 after subtracting 4437 from 4720.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2830, and continue the process.

The final outcome is 42698.25354969, with a leftover of 2.83e-07.