Finding the Third Proportional to 2,215,376 and 4,819,568

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,376 : 4,819,568 = 4,819,568 : x
2. Step 2: Convert to fraction form
   2,215,376/4,819,568 = 4,819,568/x
3. Step 3: Cross multiply
   2,215,376x = 4,819,568 × 4,819,568
4. Step 4: Simplify right side
   2,215,376x = 23,228,235,706,624
5. Step 5: Solve for x
   x = 23,228,235,706,624/2,215,376
6. Step 6: Final answer
   x = 10,485,008.28