Finding the Third Proportional to 158,129 and 246,265.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,129 : 246,265.50 = 246,265.50 : x
2. Step 2: Convert to fraction form
   158,129/246,265.50 = 246,265.50/x
3. Step 3: Cross multiply
   158,129x = 246,265.50 × 246,265.50
4. Step 4: Simplify right side
   158,129x = 60,646,696,490.25
5. Step 5: Solve for x
   x = 60,646,696,490.25/158,129
6. Step 6: Final answer
   x = 383,526.72