Finding the Third Proportional to 236,890.75 and 518,068

Step by Step Solution

1. Step 1: Write the proportion equation
   236,890.75 : 518,068 = 518,068 : x
2. Step 2: Convert to fraction form
   236,890.75/518,068 = 518,068/x
3. Step 3: Cross multiply
   236,890.75x = 518,068 × 518,068
4. Step 4: Simplify right side
   236,890.75x = 268,394,452,624
5. Step 5: Solve for x
   x = 268,394,452,624/236,890.75
6. Step 6: Final answer
   x = 1,132,988.32