Finding the Third Proportional to 242,464.50 and 526,401

Step by Step Solution

1. Step 1: Write the proportion equation
   242,464.50 : 526,401 = 526,401 : x
2. Step 2: Convert to fraction form
   242,464.50/526,401 = 526,401/x
3. Step 3: Cross multiply
   242,464.50x = 526,401 × 526,401
4. Step 4: Simplify right side
   242,464.50x = 277,098,012,801
5. Step 5: Solve for x
   x = 277,098,012,801/242,464.50
6. Step 6: Final answer
   x = 1,142,839.52