Finding the Third Proportional to 2,554,488 and 5,440,063

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554,488 : 5,440,063 = 5,440,063 : x
2. Step 2: Convert to fraction form
   2,554,488/5,440,063 = 5,440,063/x
3. Step 3: Cross multiply
   2,554,488x = 5,440,063 × 5,440,063
4. Step 4: Simplify right side
   2,554,488x = 29,594,285,443,969
5. Step 5: Solve for x
   x = 29,594,285,443,969/2,554,488
6. Step 6: Final answer
   x = 11,585,212.16