Finding the Third Proportional to 31,468.50 and 64,395

Step by Step Solution

1. Step 1: Write the proportion equation
   31,468.50 : 64,395 = 64,395 : x
2. Step 2: Convert to fraction form
   31,468.50/64,395 = 64,395/x
3. Step 3: Cross multiply
   31,468.50x = 64,395 × 64,395
4. Step 4: Simplify right side
   31,468.50x = 4,146,716,025
5. Step 5: Solve for x
   x = 4,146,716,025/31,468.50
6. Step 6: Final answer
   x = 131,773.55