Finding the Third Proportional to 11,499.75 and 18,480.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,499.75 : 18,480.38 = 18,480.38 : x
2. Step 2: Convert to fraction form
   11,499.75/18,480.38 = 18,480.38/x
3. Step 3: Cross multiply
   11,499.75x = 18,480.38 × 18,480.38
4. Step 4: Simplify right side
   11,499.75x = 341,524,260.14
5. Step 5: Solve for x
   x = 341,524,260.14/11,499.75
6. Step 6: Final answer
   x = 29,698.41