Finding the Third Proportional to 236,892.50 and 518,072

Step by Step Solution

1. Step 1: Write the proportion equation
   236,892.50 : 518,072 = 518,072 : x
2. Step 2: Convert to fraction form
   236,892.50/518,072 = 518,072/x
3. Step 3: Cross multiply
   236,892.50x = 518,072 × 518,072
4. Step 4: Simplify right side
   236,892.50x = 268,398,597,184
5. Step 5: Solve for x
   x = 268,398,597,184/236,892.50
6. Step 6: Final answer
   x = 1,132,997.44