Finding the Third Proportional to 2,015,010 and 4,257,449

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,010 : 4,257,449 = 4,257,449 : x
2. Step 2: Convert to fraction form
   2,015,010/4,257,449 = 4,257,449/x
3. Step 3: Cross multiply
   2,015,010x = 4,257,449 × 4,257,449
4. Step 4: Simplify right side
   2,015,010x = 18,125,871,987,601
5. Step 5: Solve for x
   x = 18,125,871,987,601/2,015,010
6. Step 6: Final answer
   x = 8,995,425.33