Finding the Third Proportional to 247,162.50 and 542,448

Step by Step Solution

1. Step 1: Write the proportion equation
   247,162.50 : 542,448 = 542,448 : x
2. Step 2: Convert to fraction form
   247,162.50/542,448 = 542,448/x
3. Step 3: Cross multiply
   247,162.50x = 542,448 × 542,448
4. Step 4: Simplify right side
   247,162.50x = 294,249,832,704
5. Step 5: Solve for x
   x = 294,249,832,704/247,162.50
6. Step 6: Final answer
   x = 1,190,511.64