Finding the Third Proportional to 158,744 and 339,632

Step by Step Solution

1. Step 1: Write the proportion equation
   158,744 : 339,632 = 339,632 : x
2. Step 2: Convert to fraction form
   158,744/339,632 = 339,632/x
3. Step 3: Cross multiply
   158,744x = 339,632 × 339,632
4. Step 4: Simplify right side
   158,744x = 115,349,895,424
5. Step 5: Solve for x
   x = 115,349,895,424/158,744
6. Step 6: Final answer
   x = 726,640.98