Finding the Third Proportional to 426,986 and 654,951

Step by Step Solution

1. Step 1: Write the proportion equation
   426,986 : 654,951 = 654,951 : x
2. Step 2: Convert to fraction form
   426,986/654,951 = 654,951/x
3. Step 3: Cross multiply
   426,986x = 654,951 × 654,951
4. Step 4: Simplify right side
   426,986x = 428,960,812,401
5. Step 5: Solve for x
   x = 428,960,812,401/426,986
6. Step 6: Final answer
   x = 1,004,625.01