Finding the Third Proportional to 63,708 and 133,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,708 : 133,612.50 = 133,612.50 : x
2. Step 2: Convert to fraction form
   63,708/133,612.50 = 133,612.50/x
3. Step 3: Cross multiply
   63,708x = 133,612.50 × 133,612.50
4. Step 4: Simplify right side
   63,708x = 17,852,300,156.25
5. Step 5: Solve for x
   x = 17,852,300,156.25/63,708
6. Step 6: Final answer
   x = 280,220.70