Finding the Third Proportional to 2,215,568 and 4,819,936

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,568 : 4,819,936 = 4,819,936 : x
2. Step 2: Convert to fraction form
   2,215,568/4,819,936 = 4,819,936/x
3. Step 3: Cross multiply
   2,215,568x = 4,819,936 × 4,819,936
4. Step 4: Simplify right side
   2,215,568x = 23,231,783,044,096
5. Step 5: Solve for x
   x = 23,231,783,044,096/2,215,568
6. Step 6: Final answer
   x = 10,485,700.75