Finding the Third Proportional to 242,568 and 527,540

Step by Step Solution

1. Step 1: Write the proportion equation
   242,568 : 527,540 = 527,540 : x
2. Step 2: Convert to fraction form
   242,568/527,540 = 527,540/x
3. Step 3: Cross multiply
   242,568x = 527,540 × 527,540
4. Step 4: Simplify right side
   242,568x = 278,298,451,600
5. Step 5: Solve for x
   x = 278,298,451,600/242,568
6. Step 6: Final answer
   x = 1,147,300.76