Finding the Third Proportional to 60,388.50 and 132,729

Step by Step Solution

1. Step 1: Write the proportion equation
   60,388.50 : 132,729 = 132,729 : x
2. Step 2: Convert to fraction form
   60,388.50/132,729 = 132,729/x
3. Step 3: Cross multiply
   60,388.50x = 132,729 × 132,729
4. Step 4: Simplify right side
   60,388.50x = 17,616,987,441
5. Step 5: Solve for x
   x = 17,616,987,441/60,388.50
6. Step 6: Final answer
   x = 291,727.52