Finding the Third Proportional to 236,857.50 and 518,002

Step by Step Solution

1. Step 1: Write the proportion equation
   236,857.50 : 518,002 = 518,002 : x
2. Step 2: Convert to fraction form
   236,857.50/518,002 = 518,002/x
3. Step 3: Cross multiply
   236,857.50x = 518,002 × 518,002
4. Step 4: Simplify right side
   236,857.50x = 268,326,072,004
5. Step 5: Solve for x
   x = 268,326,072,004/236,857.50
6. Step 6: Final answer
   x = 1,132,858.67