Finding the Third Proportional to 236,350.50 and 339,762

Step by Step Solution

1. Step 1: Write the proportion equation
   236,350.50 : 339,762 = 339,762 : x
2. Step 2: Convert to fraction form
   236,350.50/339,762 = 339,762/x
3. Step 3: Cross multiply
   236,350.50x = 339,762 × 339,762
4. Step 4: Simplify right side
   236,350.50x = 115,438,216,644
5. Step 5: Solve for x
   x = 115,438,216,644/236,350.50
6. Step 6: Final answer
   x = 488,419.60