Finding the Third Proportional to 1,280,912 and 2,759,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,280,912 : 2,759,760 = 2,759,760 : x
2. Step 2: Convert to fraction form
   1,280,912/2,759,760 = 2,759,760/x
3. Step 3: Cross multiply
   1,280,912x = 2,759,760 × 2,759,760
4. Step 4: Simplify right side
   1,280,912x = 7,616,275,257,600
5. Step 5: Solve for x
   x = 7,616,275,257,600/1,280,912
6. Step 6: Final answer
   x = 5,945,978.54