Finding the Third Proportional to 2,428,608 and 5,230,989

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428,608 : 5,230,989 = 5,230,989 : x
2. Step 2: Convert to fraction form
   2,428,608/5,230,989 = 5,230,989/x
3. Step 3: Cross multiply
   2,428,608x = 5,230,989 × 5,230,989
4. Step 4: Simplify right side
   2,428,608x = 27,363,245,918,121
5. Step 5: Solve for x
   x = 27,363,245,918,121/2,428,608
6. Step 6: Final answer
   x = 11,267,049.24