Finding the Third Proportional to 236,889 and 518,062.50

Step by Step Solution

1. Step 1: Write the proportion equation
   236,889 : 518,062.50 = 518,062.50 : x
2. Step 2: Convert to fraction form
   236,889/518,062.50 = 518,062.50/x
3. Step 3: Cross multiply
   236,889x = 518,062.50 × 518,062.50
4. Step 4: Simplify right side
   236,889x = 268,388,753,906.25
5. Step 5: Solve for x
   x = 268,388,753,906.25/236,889
6. Step 6: Final answer
   x = 1,132,972.63