Finding the Third Proportional to 358,957.50 and 783,114

Step by Step Solution

1. Step 1: Write the proportion equation
   358,957.50 : 783,114 = 783,114 : x
2. Step 2: Convert to fraction form
   358,957.50/783,114 = 783,114/x
3. Step 3: Cross multiply
   358,957.50x = 783,114 × 783,114
4. Step 4: Simplify right side
   358,957.50x = 613,267,536,996
5. Step 5: Solve for x
   x = 613,267,536,996/358,957.50
6. Step 6: Final answer
   x = 1,708,468.38