Finding the Third Proportional to 242,754 and 495,148

Step by Step Solution

1. Step 1: Write the proportion equation
   242,754 : 495,148 = 495,148 : x
2. Step 2: Convert to fraction form
   242,754/495,148 = 495,148/x
3. Step 3: Cross multiply
   242,754x = 495,148 × 495,148
4. Step 4: Simplify right side
   242,754x = 245,171,541,904
5. Step 5: Solve for x
   x = 245,171,541,904/242,754
6. Step 6: Final answer
   x = 1,009,958.81