Finding the Third Proportional to 1,288,707 and 2,544,899

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,707 : 2,544,899 = 2,544,899 : x
2. Step 2: Convert to fraction form
   1,288,707/2,544,899 = 2,544,899/x
3. Step 3: Cross multiply
   1,288,707x = 2,544,899 × 2,544,899
4. Step 4: Simplify right side
   1,288,707x = 6,476,510,920,201
5. Step 5: Solve for x
   x = 6,476,510,920,201/1,288,707
6. Step 6: Final answer
   x = 5,025,588.38