Finding the Third Proportional to 2,542,842 and 5,388,948

Step by Step Solution

1. Step 1: Write the proportion equation
   2,542,842 : 5,388,948 = 5,388,948 : x
2. Step 2: Convert to fraction form
   2,542,842/5,388,948 = 5,388,948/x
3. Step 3: Cross multiply
   2,542,842x = 5,388,948 × 5,388,948
4. Step 4: Simplify right side
   2,542,842x = 29,040,760,546,704
5. Step 5: Solve for x
   x = 29,040,760,546,704/2,542,842
6. Step 6: Final answer
   x = 11,420,591.82