We look at the division of 780460 by 17 
The aim is to understand the frequency of 17 in 780460.

On to step 1:
17 goes into 7 0 times with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Grab the next digit (8) from the dividend, add it to 7, then carry on: 78 / 17

On to step 2:
The number 17 fits into 78 4 times, leaving a remainder of 10.
Use 4 as the next digit of our solution. 
Result so far: 4.0
If we take 68 away from 78, we end up with 10.
Fetch the next digit (0) from the dividend, attach it to 10 and continue: 100 / 17

Advancing to step 3:
100 divided by 17 is 5 with a remainder of 15.
Record the quotient 5 as the next digit in the result. 
Result so far: 45.0
If we subtract 85 from 100, we get 15.
Append the next digit (4) from the dividend to 15 and continue with: 154 / 17

Step 4:
154 divided by 17 is 9 with a remainder of 1.
Use 9 as the next digit of our solution. 
Result so far: 459.0
The remainder is 1 after subtracting 153 from 154.
Append the next digit (6) from the dividend to 1 and continue with: 16 / 17

Moving on to step 5:
When dividing 16 by 17, we get 0 with a remainder of 16.
Write down 0 as next digit of the result. 
Result so far: 4590.0
Subtract 0 from 16 to get 16.
Take the next digit (0) from the dividend and append it to 16, then repeat: 160 / 17

On to step 6:
If we divide 160 by 17, we get 9 and a remainder of 7.
The number 9 becomes the next digit in our result. 
Result so far: 45909.0
Subtract 153 from 160 to get 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Moving on to step 7:
70 divided by 17 is 4 with a remainder of 2.
Use 4 as the next digit of our solution. 
Result so far: 45909.4
If we take 68 away from 70, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Advancing to step 8:
17 goes into 20 1 times with a remainder of 3.
Use 1 as the next digit of our solution. 
Result so far: 45909.41
Subtract 17 from 20 to get 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Moving on to step 9:
17 goes into 30 1 times with a remainder of 13.
The number 1 becomes the next digit in our result. 
Result so far: 45909.411
If we take 17 away from 30, we end up 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.

The final outcome is 45909.411, with a leftover of 0.0013.