Finding the Third Proportional to 31,416.50 and 68,362

Step by Step Solution

1. Step 1: Write the proportion equation
   31,416.50 : 68,362 = 68,362 : x
2. Step 2: Convert to fraction form
   31,416.50/68,362 = 68,362/x
3. Step 3: Cross multiply
   31,416.50x = 68,362 × 68,362
4. Step 4: Simplify right side
   31,416.50x = 4,673,363,044
5. Step 5: Solve for x
   x = 4,673,363,044/31,416.50
6. Step 6: Final answer
   x = 148,755.05