Finding the Third Proportional to 1,278,404 and 2,759,610

Step by Step Solution

1. Step 1: Write the proportion equation
   1,278,404 : 2,759,610 = 2,759,610 : x
2. Step 2: Convert to fraction form
   1,278,404/2,759,610 = 2,759,610/x
3. Step 3: Cross multiply
   1,278,404x = 2,759,610 × 2,759,610
4. Step 4: Simplify right side
   1,278,404x = 7,615,447,352,100
5. Step 5: Solve for x
   x = 7,615,447,352,100/1,278,404
6. Step 6: Final answer
   x = 5,956,995.87