Finding the Third Proportional to 243,048 and 363,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   243,048 : 363,757.50 = 363,757.50 : x
2. Step 2: Convert to fraction form
   243,048/363,757.50 = 363,757.50/x
3. Step 3: Cross multiply
   243,048x = 363,757.50 × 363,757.50
4. Step 4: Simplify right side
   243,048x = 132,319,518,806.25
5. Step 5: Solve for x
   x = 132,319,518,806.25/243,048
6. Step 6: Final answer
   x = 544,417.23