Finding the Third Proportional to 337,420 and 517,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   337,420 : 517,404.50 = 517,404.50 : x
2. Step 2: Convert to fraction form
   337,420/517,404.50 = 517,404.50/x
3. Step 3: Cross multiply
   337,420x = 517,404.50 × 517,404.50
4. Step 4: Simplify right side
   337,420x = 267,707,416,620.25
5. Step 5: Solve for x
   x = 267,707,416,620.25/337,420
6. Step 6: Final answer
   x = 793,395.22