Finding the Third Proportional to 2,554,916 and 4,007,912

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554,916 : 4,007,912 = 4,007,912 : x
2. Step 2: Convert to fraction form
   2,554,916/4,007,912 = 4,007,912/x
3. Step 3: Cross multiply
   2,554,916x = 4,007,912 × 4,007,912
4. Step 4: Simplify right side
   2,554,916x = 16,063,358,599,744
5. Step 5: Solve for x
   x = 16,063,358,599,744/2,554,916
6. Step 6: Final answer
   x = 6,287,235.51