Finding the Third Proportional to 29,900 and 65,605

Step by Step Solution

1. Step 1: Write the proportion equation
   29,900 : 65,605 = 65,605 : x
2. Step 2: Convert to fraction form
   29,900/65,605 = 65,605/x
3. Step 3: Cross multiply
   29,900x = 65,605 × 65,605
4. Step 4: Simplify right side
   29,900x = 4,304,016,025
5. Step 5: Solve for x
   x = 4,304,016,025/29,900
6. Step 6: Final answer
   x = 143,947.02