Finding the Third Proportional to 2,554,918 and 4,007,915

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554,918 : 4,007,915 = 4,007,915 : x
2. Step 2: Convert to fraction form
   2,554,918/4,007,915 = 4,007,915/x
3. Step 3: Cross multiply
   2,554,918x = 4,007,915 × 4,007,915
4. Step 4: Simplify right side
   2,554,918x = 16,063,382,647,225
5. Step 5: Solve for x
   x = 16,063,382,647,225/2,554,918
6. Step 6: Final answer
   x = 6,287,240.00