Finding the Third Proportional to 242,730 and 495,099

Step by Step Solution

1. Step 1: Write the proportion equation
   242,730 : 495,099 = 495,099 : x
2. Step 2: Convert to fraction form
   242,730/495,099 = 495,099/x
3. Step 3: Cross multiply
   242,730x = 495,099 × 495,099
4. Step 4: Simplify right side
   242,730x = 245,123,019,801
5. Step 5: Solve for x
   x = 245,123,019,801/242,730
6. Step 6: Final answer
   x = 1,009,858.77