Let's divide 491921 by 2
We're looking to find how many times 2 goes into 491921.

Going ahead to step 1:
2 can be fit into 4 2 times, resulting in a remainder of 0.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
The remainder is 0 after subtracting 4 from 4.
Take the next digit (9) from the dividend and append it to 0, then repeat: 9 / 2

Moving on to step 2:
If we divide 9 by 2, we get 4 and a remainder of 1.
Put 4 as the next digit of the answer. 
Result so far: 24.0
The remainder is 1 after subtracting 8 from 9.
Bring next digit (1) of the dividend behind the 1 and repeat the process: 11 / 2

Advancing to step 3:
2 can be fit into 11 5 times, resulting in a remainder of 1.
Put 5 as the next digit of the answer. 
Result so far: 245.0
If we subtract 10 from 11, we get 1.
Grab the next digit (9) from the dividend, add it to 1, then carry on: 19 / 2

Going ahead to step 4:
2 can be fit into 19 9 times, resulting in a remainder of 1.
Write down 9 as next digit of the result. 
Result so far: 2459.0
If we take 18 away from 19, we end up with 1.
Bring next digit (2) of the dividend behind the 1 and repeat the process: 12 / 2

Advancing to step 5:
If we divide 12 by 2, we get 6 and a remainder of 0.
Write down 6 as next digit of the result. 
Result so far: 24596.0
Subtracting 12 from 12 leaves us with 0.
Grab the next digit (1) from the dividend, add it to 0, then carry on: 1 / 2

Let's proceed to step 6:
2 goes into 1 0 times with a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 245960.0
If we take 0 away from 1, we end up 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.

Moving on to step 7:
When dividing 10 by 2, we get 5 with a remainder of 0.
Put 5 as the next digit of the answer. 
Result so far: 245960.5
If we subtract 10 from 10, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 8:
When dividing 0 by 2, we get 0 with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 245960.5
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 9:
2 can be fit into 0 0 times, resulting in a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 245960.5
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

After the division, we end up with 245960.5 and a remainder of 0.0.