Finding the Third Proportional to 80,470.50 and 118,242.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,470.50 : 118,242.50 = 118,242.50 : x
2. Step 2: Convert to fraction form
   80,470.50/118,242.50 = 118,242.50/x
3. Step 3: Cross multiply
   80,470.50x = 118,242.50 × 118,242.50
4. Step 4: Simplify right side
   80,470.50x = 13,981,288,806.25
5. Step 5: Solve for x
   x = 13,981,288,806.25/80,470.50
6. Step 6: Final answer
   x = 173,744.28