We're dividing 78187603 by 419 
We're looking to find how many times 419 goes into 78187603.

On to step 1:
When dividing 7 by 419, we get 0 with a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Fetch the next digit (8) from the dividend, attach it to 7 and continue: 78 / 419

Moving on to step 2:
78 divided by 419 is 0 with a remainder of 78.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 78 after subtracting 0 from 78.
Fetch the next digit (1) from the dividend, attach it to 78 and continue: 781 / 419

Moving on to step 3:
If we divide 781 by 419, we get 1 and a remainder of 362.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtract 419 from 781 to get 362.
Bring next digit (8) of the dividend behind the 362 and repeat the process: 3628 / 419

Advancing to step 4:
If we divide 3628 by 419, we get 8 and a remainder of 276.
Record the quotient 8 as the next digit in the result. 
Result so far: 18.0
Deduct 3352 from 3628 and we're left with 276.
Grab the next digit (7) from the dividend, add it to 276, then carry on: 2767 / 419

Going ahead to step 5:
If we divide 2767 by 419, we get 6 and a remainder of 253.
The number 6 becomes the next digit in our result. 
Result so far: 186.0
Subtract 2514 from 2767 to get 253.
Fetch the next digit (6) from the dividend, attach it to 253 and continue: 2536 / 419

Let's proceed to step 6:
419 can be fit into 2536 6 times, resulting in a remainder of 22.
Put 6 as the next digit of the answer. 
Result so far: 1866.0
Subtract 2514 from 2536 to get 22.
Append the next digit (0) from the dividend to 22 and continue with: 220 / 419

Going ahead to step 7:
If we divide 220 by 419, we get 0 and a remainder of 220.
Record the quotient 0 as the next digit in the result. 
Result so far: 18660.0
The remainder is 220 after subtracting 0 from 220.
Fetch the next digit (3) from the dividend, attach it to 220 and continue: 2203 / 419

Step 8:
When dividing 2203 by 419, we get 5 with a remainder of 108.
Put 5 as the next digit of the answer. 
Result so far: 186605.0
Deduct 2095 from 2203 and we're left with 108.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1080, and continue the process.

Moving on to step 9:
419 goes into 1080 2 times with a remainder of 242.
The number 2 becomes the next digit in our result. 
Result so far: 186605.2
Subtract 838 from 1080 to get 242.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2420, and continue the process.

Moving on to step 10:
If we divide 2420 by 419, we get 5 and a remainder of 325.
Record the quotient 5 as the next digit in the result. 
Result so far: 186605.25
Deduct 2095 from 2420 and we're left with 325.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3250, and continue the process.

Step 11:
When dividing 3250 by 419, we get 7 with a remainder of 317.
Write down 7 as next digit of the result. 
Result so far: 186605.257
Subtract 2933 from 3250 to get 317.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3170, and continue the process.

On to step 12:
3170 divided by 419 is 7 with a remainder of 237.
The next digit of our result is 7. 
Result so far: 186605.2577
Deduct 2933 from 3170 and we're left with 237.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2370, and continue the process.

After the division, we end up with 186605.2577 and a remainder of 0.00237.