Finding the Third Proportional to 2,455,728 and 5,165,957.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,455,728 : 5,165,957.25 = 5,165,957.25 : x
2. Step 2: Convert to fraction form
   2,455,728/5,165,957.25 = 5,165,957.25/x
3. Step 3: Cross multiply
   2,455,728x = 5,165,957.25 × 5,165,957.25
4. Step 4: Simplify right side
   2,455,728x = 26,687,114,308,827.56
5. Step 5: Solve for x
   x = 26,687,114,308,827.56/2,455,728
6. Step 6: Final answer
   x = 10,867,292.43