Finding the Third Proportional to 31,959 and 69,495

Step by Step Solution

1. Step 1: Write the proportion equation
   31,959 : 69,495 = 69,495 : x
2. Step 2: Convert to fraction form
   31,959/69,495 = 69,495/x
3. Step 3: Cross multiply
   31,959x = 69,495 × 69,495
4. Step 4: Simplify right side
   31,959x = 4,829,555,025
5. Step 5: Solve for x
   x = 4,829,555,025/31,959
6. Step 6: Final answer
   x = 151,117.21