Finding the Third Proportional to 242,340.50 and 517,668

Step by Step Solution

1. Step 1: Write the proportion equation
   242,340.50 : 517,668 = 517,668 : x
2. Step 2: Convert to fraction form
   242,340.50/517,668 = 517,668/x
3. Step 3: Cross multiply
   242,340.50x = 517,668 × 517,668
4. Step 4: Simplify right side
   242,340.50x = 267,980,158,224
5. Step 5: Solve for x
   x = 267,980,158,224/242,340.50
6. Step 6: Final answer
   x = 1,105,800.14