Finding the Third Proportional to 242,736 and 497,136

Step by Step Solution

1. Step 1: Write the proportion equation
   242,736 : 497,136 = 497,136 : x
2. Step 2: Convert to fraction form
   242,736/497,136 = 497,136/x
3. Step 3: Cross multiply
   242,736x = 497,136 × 497,136
4. Step 4: Simplify right side
   242,736x = 247,144,202,496
5. Step 5: Solve for x
   x = 247,144,202,496/242,736
6. Step 6: Final answer
   x = 1,018,160.48