Finding the Third Proportional to 31,920.50 and 64,753

Step by Step Solution

1. Step 1: Write the proportion equation
   31,920.50 : 64,753 = 64,753 : x
2. Step 2: Convert to fraction form
   31,920.50/64,753 = 64,753/x
3. Step 3: Cross multiply
   31,920.50x = 64,753 × 64,753
4. Step 4: Simplify right side
   31,920.50x = 4,192,951,009
5. Step 5: Solve for x
   x = 4,192,951,009/31,920.50
6. Step 6: Final answer
   x = 131,356.06