Finding the Third Proportional to 242,154 and 495,000

Step by Step Solution

1. Step 1: Write the proportion equation
   242,154 : 495,000 = 495,000 : x
2. Step 2: Convert to fraction form
   242,154/495,000 = 495,000/x
3. Step 3: Cross multiply
   242,154x = 495,000 × 495,000
4. Step 4: Simplify right side
   242,154x = 245,025,000,000
5. Step 5: Solve for x
   x = 245,025,000,000/242,154
6. Step 6: Final answer
   x = 1,011,856.09