Finding the Third Proportional to 242,149.50 and 494,154

Step by Step Solution

1. Step 1: Write the proportion equation
   242,149.50 : 494,154 = 494,154 : x
2. Step 2: Convert to fraction form
   242,149.50/494,154 = 494,154/x
3. Step 3: Cross multiply
   242,149.50x = 494,154 × 494,154
4. Step 4: Simplify right side
   242,149.50x = 244,188,175,716
5. Step 5: Solve for x
   x = 244,188,175,716/242,149.50
6. Step 6: Final answer
   x = 1,008,419.08