Finding the Third Proportional to 562,728 and 1,328,388

Step by Step Solution

1. Step 1: Write the proportion equation
   562,728 : 1,328,388 = 1,328,388 : x
2. Step 2: Convert to fraction form
   562,728/1,328,388 = 1,328,388/x
3. Step 3: Cross multiply
   562,728x = 1,328,388 × 1,328,388
4. Step 4: Simplify right side
   562,728x = 1,764,614,678,544
5. Step 5: Solve for x
   x = 1,764,614,678,544/562,728
6. Step 6: Final answer
   x = 3,135,821.71