Finding the Third Proportional to 1,165,287 and 2,542,406

Step by Step Solution

1. Step 1: Write the proportion equation
   1,165,287 : 2,542,406 = 2,542,406 : x
2. Step 2: Convert to fraction form
   1,165,287/2,542,406 = 2,542,406/x
3. Step 3: Cross multiply
   1,165,287x = 2,542,406 × 2,542,406
4. Step 4: Simplify right side
   1,165,287x = 6,463,828,268,836
5. Step 5: Solve for x
   x = 6,463,828,268,836/1,165,287
6. Step 6: Final answer
   x = 5,546,983.94