Finding the Third Proportional to 1,342,816 and 2,747,678

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342,816 : 2,747,678 = 2,747,678 : x
2. Step 2: Convert to fraction form
   1,342,816/2,747,678 = 2,747,678/x
3. Step 3: Cross multiply
   1,342,816x = 2,747,678 × 2,747,678
4. Step 4: Simplify right side
   1,342,816x = 7,549,734,391,684
5. Step 5: Solve for x
   x = 7,549,734,391,684/1,342,816
6. Step 6: Final answer
   x = 5,622,314.89