Finding the Third Proportional to 2,458,868 and 5,039,128

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458,868 : 5,039,128 = 5,039,128 : x
2. Step 2: Convert to fraction form
   2,458,868/5,039,128 = 5,039,128/x
3. Step 3: Cross multiply
   2,458,868x = 5,039,128 × 5,039,128
4. Step 4: Simplify right side
   2,458,868x = 25,392,811,000,384
5. Step 5: Solve for x
   x = 25,392,811,000,384/2,458,868
6. Step 6: Final answer
   x = 10,327,033.01