We're dividing 687789 by 2 
We want to divide 687789 by 2.

Let's proceed to step 1:
The number 2 fits into 6 3 times, leaving a remainder of 0.
The next digit of our result is 3. 
Result so far: 3.0
The remainder is 0 after subtracting 6 from 6.
Grab the next digit (8) from the dividend, add it to 0, then carry on: 8 / 2

Step 2:
When dividing 8 by 2, we get 4 with a remainder of 0.
Put 4 as the next digit of the answer. 
Result so far: 34.0
Subtracting 8 from 8 leaves us with 0.
Take the next digit (7) from the dividend and append it to 0, then repeat: 7 / 2

Step 3:
When dividing 7 by 2, we get 3 with a remainder of 1.
The next digit of our result is 3. 
Result so far: 343.0
Subtract 6 from 7 to get 1.
Grab the next digit (7) from the dividend, add it to 1, then carry on: 17 / 2

On to step 4:
The number 2 fits into 17 8 times, leaving a remainder of 1.
The number 8 becomes the next digit in our result. 
Result so far: 3438.0
Deduct 16 from 17 and we're left with 1.
Grab the next digit (8) from the dividend, add it to 1, then carry on: 18 / 2

Step 5:
2 can be fit into 18 9 times, resulting in a remainder of 0.
Put 9 as the next digit of the answer. 
Result so far: 34389.0
If we take 18 away from 18, we end up with 0.
Grab the next digit (9) from the dividend, add it to 0, then carry on: 9 / 2

Moving on to step 6:
2 goes into 9 4 times with a remainder of 1.
Put 4 as the next digit of the answer. 
Result so far: 343894.0
If we subtract 8 from 9, we get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Let's proceed to step 7:
If we divide 10 by 2, we get 5 and a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 343894.5
Subtract 10 from 10 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.

Advancing to 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: 343894.5
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.

On to step 9:
The number 2 fits into 0 0 times, leaving a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 343894.5
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.

After the division, we end up with 343894.5 and a remainder of 0.0.