Finding the Third Proportional to 1,159,978 and 2,555,504

Step by Step Solution

1. Step 1: Write the proportion equation
   1,159,978 : 2,555,504 = 2,555,504 : x
2. Step 2: Convert to fraction form
   1,159,978/2,555,504 = 2,555,504/x
3. Step 3: Cross multiply
   1,159,978x = 2,555,504 × 2,555,504
4. Step 4: Simplify right side
   1,159,978x = 6,530,600,694,016
5. Step 5: Solve for x
   x = 6,530,600,694,016/1,159,978
6. Step 6: Final answer
   x = 5,629,934.96