Finding the Third Proportional to 29,387 and 64,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,387 : 64,605.50 = 64,605.50 : x
2. Step 2: Convert to fraction form
   29,387/64,605.50 = 64,605.50/x
3. Step 3: Cross multiply
   29,387x = 64,605.50 × 64,605.50
4. Step 4: Simplify right side
   29,387x = 4,173,870,630.25
5. Step 5: Solve for x
   x = 4,173,870,630.25/29,387
6. Step 6: Final answer
   x = 142,031.19