Finding the Third Proportional to 236,859.50 and 518,006

Step by Step Solution

1. Step 1: Write the proportion equation
   236,859.50 : 518,006 = 518,006 : x
2. Step 2: Convert to fraction form
   236,859.50/518,006 = 518,006/x
3. Step 3: Cross multiply
   236,859.50x = 518,006 × 518,006
4. Step 4: Simplify right side
   236,859.50x = 268,330,216,036
5. Step 5: Solve for x
   x = 268,330,216,036/236,859.50
6. Step 6: Final answer
   x = 1,132,866.60