Finding the Third Proportional to 425,556 and 659,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   425,556 : 659,839.50 = 659,839.50 : x
2. Step 2: Convert to fraction form
   425,556/659,839.50 = 659,839.50/x
3. Step 3: Cross multiply
   425,556x = 659,839.50 × 659,839.50
4. Step 4: Simplify right side
   425,556x = 435,388,165,760.25
5. Step 5: Solve for x
   x = 435,388,165,760.25/425,556
6. Step 6: Final answer
   x = 1,023,104.28