Finding the Third Proportional to 2,015,010 and 4,257,447

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,010 : 4,257,447 = 4,257,447 : x
2. Step 2: Convert to fraction form
   2,015,010/4,257,447 = 4,257,447/x
3. Step 3: Cross multiply
   2,015,010x = 4,257,447 × 4,257,447
4. Step 4: Simplify right side
   2,015,010x = 18,125,854,957,809
5. Step 5: Solve for x
   x = 18,125,854,957,809/2,015,010
6. Step 6: Final answer
   x = 8,995,416.88