Finding the Third Proportional to 8,499.38 and 18,480.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499.38 : 18,480.38 = 18,480.38 : x
2. Step 2: Convert to fraction form
   8,499.38/18,480.38 = 18,480.38/x
3. Step 3: Cross multiply
   8,499.38x = 18,480.38 × 18,480.38
4. Step 4: Simplify right side
   8,499.38x = 341,524,260.14
5. Step 5: Solve for x
   x = 341,524,260.14/8,499.38
6. Step 6: Final answer
   x = 40,182.28