Finding the Third Proportional to 283,342.50 and 616,530

Step by Step Solution

1. Step 1: Write the proportion equation
   283,342.50 : 616,530 = 616,530 : x
2. Step 2: Convert to fraction form
   283,342.50/616,530 = 616,530/x
3. Step 3: Cross multiply
   283,342.50x = 616,530 × 616,530
4. Step 4: Simplify right side
   283,342.50x = 380,109,240,900
5. Step 5: Solve for x
   x = 380,109,240,900/283,342.50
6. Step 6: Final answer
   x = 1,341,518.62