Finding the Third Proportional to 239,758.50 and 357,996

Step by Step Solution

1. Step 1: Write the proportion equation
   239,758.50 : 357,996 = 357,996 : x
2. Step 2: Convert to fraction form
   239,758.50/357,996 = 357,996/x
3. Step 3: Cross multiply
   239,758.50x = 357,996 × 357,996
4. Step 4: Simplify right side
   239,758.50x = 128,161,136,016
5. Step 5: Solve for x
   x = 128,161,136,016/239,758.50
6. Step 6: Final answer
   x = 534,542.62