Finding the Third Proportional to 242,358 and 496,468

Step by Step Solution

1. Step 1: Write the proportion equation
   242,358 : 496,468 = 496,468 : x
2. Step 2: Convert to fraction form
   242,358/496,468 = 496,468/x
3. Step 3: Cross multiply
   242,358x = 496,468 × 496,468
4. Step 4: Simplify right side
   242,358x = 246,480,475,024
5. Step 5: Solve for x
   x = 246,480,475,024/242,358
6. Step 6: Final answer
   x = 1,017,009.86