Finding the Third Proportional to 339,167.25 and 498,636

Step by Step Solution

1. Step 1: Write the proportion equation
   339,167.25 : 498,636 = 498,636 : x
2. Step 2: Convert to fraction form
   339,167.25/498,636 = 498,636/x
3. Step 3: Cross multiply
   339,167.25x = 498,636 × 498,636
4. Step 4: Simplify right side
   339,167.25x = 248,637,860,496
5. Step 5: Solve for x
   x = 248,637,860,496/339,167.25
6. Step 6: Final answer
   x = 733,083.34