Finding the Third Proportional to 241,705.50 and 518,385

Step by Step Solution

1. Step 1: Write the proportion equation
   241,705.50 : 518,385 = 518,385 : x
2. Step 2: Convert to fraction form
   241,705.50/518,385 = 518,385/x
3. Step 3: Cross multiply
   241,705.50x = 518,385 × 518,385
4. Step 4: Simplify right side
   241,705.50x = 268,723,008,225
5. Step 5: Solve for x
   x = 268,723,008,225/241,705.50
6. Step 6: Final answer
   x = 1,111,778.62