Finding the Third Proportional to 8,080.13 and 12,480.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,080.13 : 12,480.38 = 12,480.38 : x
2. Step 2: Convert to fraction form
   8,080.13/12,480.38 = 12,480.38/x
3. Step 3: Cross multiply
   8,080.13x = 12,480.38 × 12,480.38
4. Step 4: Simplify right side
   8,080.13x = 155,759,760.14
5. Step 5: Solve for x
   x = 155,759,760.14/8,080.13
6. Step 6: Final answer
   x = 19,276.90