Finding the Third Proportional to 242,758.50 and 495,156

Step by Step Solution

1. Step 1: Write the proportion equation
   242,758.50 : 495,156 = 495,156 : x
2. Step 2: Convert to fraction form
   242,758.50/495,156 = 495,156/x
3. Step 3: Cross multiply
   242,758.50x = 495,156 × 495,156
4. Step 4: Simplify right side
   242,758.50x = 245,179,464,336
5. Step 5: Solve for x
   x = 245,179,464,336/242,758.50
6. Step 6: Final answer
   x = 1,009,972.73