Finding the Third Proportional to 236,927.50 and 518,140

Step by Step Solution

1. Step 1: Write the proportion equation
   236,927.50 : 518,140 = 518,140 : x
2. Step 2: Convert to fraction form
   236,927.50/518,140 = 518,140/x
3. Step 3: Cross multiply
   236,927.50x = 518,140 × 518,140
4. Step 4: Simplify right side
   236,927.50x = 268,469,059,600
5. Step 5: Solve for x
   x = 268,469,059,600/236,927.50
6. Step 6: Final answer
   x = 1,133,127.47