Finding the Third Proportional to 242,806 and 495,242

Step by Step Solution

1. Step 1: Write the proportion equation
   242,806 : 495,242 = 495,242 : x
2. Step 2: Convert to fraction form
   242,806/495,242 = 495,242/x
3. Step 3: Cross multiply
   242,806x = 495,242 × 495,242
4. Step 4: Simplify right side
   242,806x = 245,264,638,564
5. Step 5: Solve for x
   x = 245,264,638,564/242,806
6. Step 6: Final answer
   x = 1,010,125.94