478294 divided by 21 
Our goal is to divide 478294 by 21.

On to step 1:
21 can be fit into 4 0 times, resulting in a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Include the next digit (7) from the dividend after 4, then repeat: 47 / 21

Advancing to step 2:
47 divided by 21 is 2 with a remainder of 5.
The next digit of our result is 2. 
Result so far: 2.0
If we subtract 42 from 47, we get 5.
Grab the next digit (8) from the dividend, add it to 5, then carry on: 58 / 21

Moving on to step 3:
If we divide 58 by 21, we get 2 and a remainder of 16.
The next digit of our result is 2. 
Result so far: 22.0
Subtract 42 from 58 to get 16.
Fetch the next digit (2) from the dividend, attach it to 16 and continue: 162 / 21

Going ahead to step 4:
If we divide 162 by 21, we get 7 and a remainder of 15.
The number 7 becomes the next digit in our result. 
Result so far: 227.0
The remainder is 15 after subtracting 147 from 162.
Take the next digit (9) from the dividend and append it to 15, then repeat: 159 / 21

Going ahead to step 5:
21 can be fit into 159 7 times, resulting in a remainder of 12.
Put 7 as the next digit of the answer. 
Result so far: 2277.0
If we take 147 away from 159, we end up with 12.
Take the next digit (4) from the dividend and append it to 12, then repeat: 124 / 21

Advancing to step 6:
When dividing 124 by 21, we get 5 with a remainder of 19.
Record the quotient 5 as the next digit in the result. 
Result so far: 22775.0
Deduct 105 from 124 and we're left with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Moving on to step 7:
When dividing 190 by 21, we get 9 with a remainder of 1.
Write down 9 as next digit of the result. 
Result so far: 22775.9
The remainder is 1 after subtracting 189 from 190.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 8:
If we divide 10 by 21, we get 0 and a remainder of 10.
Record the quotient 0 as the next digit in the result. 
Result so far: 22775.9
Subtract 0 from 10 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 9:
21 goes into 100 4 times with a remainder of 16.
Put 4 as the next digit of the answer. 
Result so far: 22775.904
Subtracting 84 from 100 leaves us with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 10:
21 can be fit into 160 7 times, resulting in a remainder of 13.
The number 7 becomes the next digit in our result. 
Result so far: 22775.9047
Deduct 147 from 160 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.

Moving on to step 11:
When dividing 130 by 21, we get 6 with a remainder of 4.
Put 6 as the next digit of the answer. 
Result so far: 22775.90476
If we subtract 126 from 130, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 12:
40 divided by 21 is 1 with a remainder of 19.
Write down 1 as next digit of the result. 
Result so far: 22775.904761
The remainder is 19 after subtracting 21 from 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Going ahead to step 13:
If we divide 190 by 21, we get 9 and a remainder of 1.
Use 9 as the next digit of our solution. 
Result so far: 22775.9047619
Subtracting 189 from 190 leaves us with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 14:
The number 21 fits into 10 0 times, leaving a remainder of 10.
The next digit of our result is 0. 
Result so far: 22775.9047619
The remainder is 10 after subtracting 0 from 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

In conclusion, the division gives 22775.9047619 with a balance of 1e-08.