Finding the Third Proportional to 29,400.50 and 64,088.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,400.50 : 64,088.50 = 64,088.50 : x
2. Step 2: Convert to fraction form
   29,400.50/64,088.50 = 64,088.50/x
3. Step 3: Cross multiply
   29,400.50x = 64,088.50 × 64,088.50
4. Step 4: Simplify right side
   29,400.50x = 4,107,335,832.25
5. Step 5: Solve for x
   x = 4,107,335,832.25/29,400.50
6. Step 6: Final answer
   x = 139,702.92