We're dividing 422943 by 2 
We're looking to find how many times 2 goes into 422943.

Step 1:
2 can be fit into 4 2 times, resulting in a remainder of 0.
Write down 2 as next digit of the result. 
Result so far: 2.0
The remainder is 0 after subtracting 4 from 4.
Append the next digit (2) from the dividend to 0 and continue with: 2 / 2

On to step 2:
2 goes into 2 1 times with a remainder of 0.
Write down 1 as next digit of the result. 
Result so far: 21.0
If we take 2 away from 2, we end up with 0.
Append the next digit (2) from the dividend to 0 and continue with: 2 / 2

Moving on to step 3:
When dividing 2 by 2, we get 1 with a remainder of 0.
The next digit of our result is 1. 
Result so far: 211.0
Deduct 2 from 2 and we're left with 0.
Take the next digit (9) from the dividend and append it to 0, then repeat: 9 / 2

Going ahead to step 4:
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: 2114.0
The remainder is 1 after subtracting 8 from 9.
Bring next digit (4) of the dividend behind the 1 and repeat the process: 14 / 2

Going ahead to step 5:
14 divided by 2 is 7 with a remainder of 0.
The number 7 becomes the next digit in our result. 
Result so far: 21147.0
If we subtract 14 from 14, we get 0.
Take the next digit (3) from the dividend and append it to 0, then repeat: 3 / 2

Advancing to step 6:
If we divide 3 by 2, we get 1 and a remainder of 1.
Put 1 as the next digit of the answer. 
Result so far: 211471.0
If we take 2 away from 3, 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.

On to step 7:
If we divide 10 by 2, we get 5 and a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 211471.5
If we take 10 away from 10, 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.

Step 8:
2 goes into 0 0 times with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 211471.5
Deduct 0 from 0 and we're left 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.

Step 9:
2 can be fit into 0 0 times, resulting in a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 211471.5
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.

The final result is 211471.5 with a remainder of 0.0.