Finding the Third Proportional to 2,545,128 and 5,454,582

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,128 : 5,454,582 = 5,454,582 : x
2. Step 2: Convert to fraction form
   2,545,128/5,454,582 = 5,454,582/x
3. Step 3: Cross multiply
   2,545,128x = 5,454,582 × 5,454,582
4. Step 4: Simplify right side
   2,545,128x = 29,752,464,794,724
5. Step 5: Solve for x
   x = 29,752,464,794,724/2,545,128
6. Step 6: Final answer
   x = 11,689,967.97