Finding the Third Proportional to 242,538 and 496,740

Step by Step Solution

1. Step 1: Write the proportion equation
   242,538 : 496,740 = 496,740 : x
2. Step 2: Convert to fraction form
   242,538/496,740 = 496,740/x
3. Step 3: Cross multiply
   242,538x = 496,740 × 496,740
4. Step 4: Simplify right side
   242,538x = 246,750,627,600
5. Step 5: Solve for x
   x = 246,750,627,600/242,538
6. Step 6: Final answer
   x = 1,017,368.94