Finding the Third Proportional to 236,912.50 and 518,110

Step by Step Solution

1. Step 1: Write the proportion equation
   236,912.50 : 518,110 = 518,110 : x
2. Step 2: Convert to fraction form
   236,912.50/518,110 = 518,110/x
3. Step 3: Cross multiply
   236,912.50x = 518,110 × 518,110
4. Step 4: Simplify right side
   236,912.50x = 268,437,972,100
5. Step 5: Solve for x
   x = 268,437,972,100/236,912.50
6. Step 6: Final answer
   x = 1,133,068.00