Finding the Third Proportional to 724,711.50 and 1,542,978

Step by Step Solution

1. Step 1: Write the proportion equation
   724,711.50 : 1,542,978 = 1,542,978 : x
2. Step 2: Convert to fraction form
   724,711.50/1,542,978 = 1,542,978/x
3. Step 3: Cross multiply
   724,711.50x = 1,542,978 × 1,542,978
4. Step 4: Simplify right side
   724,711.50x = 2,380,781,108,484
5. Step 5: Solve for x
   x = 2,380,781,108,484/724,711.50
6. Step 6: Final answer
   x = 3,285,143.27