Finding the Third Proportional to 1,268,544 and 2,661,645

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,544 : 2,661,645 = 2,661,645 : x
2. Step 2: Convert to fraction form
   1,268,544/2,661,645 = 2,661,645/x
3. Step 3: Cross multiply
   1,268,544x = 2,661,645 × 2,661,645
4. Step 4: Simplify right side
   1,268,544x = 7,084,354,106,025
5. Step 5: Solve for x
   x = 7,084,354,106,025/1,268,544
6. Step 6: Final answer
   x = 5,584,634.12