Finding the Third Proportional to 338,458.50 and 524,773.69

Step by Step Solution

1. Step 1: Write the proportion equation
   338,458.50 : 524,773.69 = 524,773.69 : x
2. Step 2: Convert to fraction form
   338,458.50/524,773.69 = 524,773.69/x
3. Step 3: Cross multiply
   338,458.50x = 524,773.69 × 524,773.69
4. Step 4: Simplify right side
   338,458.50x = 275,387,423,092.35
5. Step 5: Solve for x
   x = 275,387,423,092.35/338,458.50
6. Step 6: Final answer
   x = 813,651.96