Finding the Third Proportional to 554,578 and 1,135,388

Step by Step Solution

1. Step 1: Write the proportion equation
   554,578 : 1,135,388 = 1,135,388 : x
2. Step 2: Convert to fraction form
   554,578/1,135,388 = 1,135,388/x
3. Step 3: Cross multiply
   554,578x = 1,135,388 × 1,135,388
4. Step 4: Simplify right side
   554,578x = 1,289,105,910,544
5. Step 5: Solve for x
   x = 1,289,105,910,544/554,578
6. Step 6: Final answer
   x = 2,324,480.80