Finding the Third Proportional to 242,398 and 566,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   242,398 : 566,142.50 = 566,142.50 : x
2. Step 2: Convert to fraction form
   242,398/566,142.50 = 566,142.50/x
3. Step 3: Cross multiply
   242,398x = 566,142.50 × 566,142.50
4. Step 4: Simplify right side
   242,398x = 320,517,330,306.25
5. Step 5: Solve for x
   x = 320,517,330,306.25/242,398
6. Step 6: Final answer
   x = 1,322,277.12