Finding the Third Proportional to 339,050 and 725,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   339,050 : 725,287.50 = 725,287.50 : x
2. Step 2: Convert to fraction form
   339,050/725,287.50 = 725,287.50/x
3. Step 3: Cross multiply
   339,050x = 725,287.50 × 725,287.50
4. Step 4: Simplify right side
   339,050x = 526,041,957,656.25
5. Step 5: Solve for x
   x = 526,041,957,656.25/339,050
6. Step 6: Final answer
   x = 1,551,517.35