Finding the Third Proportional to 283,317 and 616,480.50

Step by Step Solution

1. Step 1: Write the proportion equation
   283,317 : 616,480.50 = 616,480.50 : x
2. Step 2: Convert to fraction form
   283,317/616,480.50 = 616,480.50/x
3. Step 3: Cross multiply
   283,317x = 616,480.50 × 616,480.50
4. Step 4: Simplify right side
   283,317x = 380,048,206,880.25
5. Step 5: Solve for x
   x = 380,048,206,880.25/283,317
6. Step 6: Final answer
   x = 1,341,423.94