Finding the Third Proportional to 2,489,424 and 5,460,768

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489,424 : 5,460,768 = 5,460,768 : x
2. Step 2: Convert to fraction form
   2,489,424/5,460,768 = 5,460,768/x
3. Step 3: Cross multiply
   2,489,424x = 5,460,768 × 5,460,768
4. Step 4: Simplify right side
   2,489,424x = 29,819,987,149,824
5. Step 5: Solve for x
   x = 29,819,987,149,824/2,489,424
6. Step 6: Final answer
   x = 11,978,669.42