Finding the Third Proportional to 31,921.50 and 64,755

Step by Step Solution

1. Step 1: Write the proportion equation
   31,921.50 : 64,755 = 64,755 : x
2. Step 2: Convert to fraction form
   31,921.50/64,755 = 64,755/x
3. Step 3: Cross multiply
   31,921.50x = 64,755 × 64,755
4. Step 4: Simplify right side
   31,921.50x = 4,193,210,025
5. Step 5: Solve for x
   x = 4,193,210,025/31,921.50
6. Step 6: Final answer
   x = 131,360.06