Finding the Third Proportional to 2,540,772 and 5,450,040

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,772 : 5,450,040 = 5,450,040 : x
2. Step 2: Convert to fraction form
   2,540,772/5,450,040 = 5,450,040/x
3. Step 3: Cross multiply
   2,540,772x = 5,450,040 × 5,450,040
4. Step 4: Simplify right side
   2,540,772x = 29,702,936,001,600
5. Step 5: Solve for x
   x = 29,702,936,001,600/2,540,772
6. Step 6: Final answer
   x = 11,690,516.11