Finding the Third Proportional to 241,697.50 and 518,386

Step by Step Solution

1. Step 1: Write the proportion equation
   241,697.50 : 518,386 = 518,386 : x
2. Step 2: Convert to fraction form
   241,697.50/518,386 = 518,386/x
3. Step 3: Cross multiply
   241,697.50x = 518,386 × 518,386
4. Step 4: Simplify right side
   241,697.50x = 268,724,044,996
5. Step 5: Solve for x
   x = 268,724,044,996/241,697.50
6. Step 6: Final answer
   x = 1,111,819.71