Finding the Third Proportional to 131,191.50 and 242,670

Step by Step Solution

1. Step 1: Write the proportion equation
   131,191.50 : 242,670 = 242,670 : x
2. Step 2: Convert to fraction form
   131,191.50/242,670 = 242,670/x
3. Step 3: Cross multiply
   131,191.50x = 242,670 × 242,670
4. Step 4: Simplify right side
   131,191.50x = 58,888,728,900
5. Step 5: Solve for x
   x = 58,888,728,900/131,191.50
6. Step 6: Final answer
   x = 448,876.10