Finding the Third Proportional to 2,215,813 and 4,819,850

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,813 : 4,819,850 = 4,819,850 : x
2. Step 2: Convert to fraction form
   2,215,813/4,819,850 = 4,819,850/x
3. Step 3: Cross multiply
   2,215,813x = 4,819,850 × 4,819,850
4. Step 4: Simplify right side
   2,215,813x = 23,230,954,022,500
5. Step 5: Solve for x
   x = 23,230,954,022,500/2,215,813
6. Step 6: Final answer
   x = 10,484,167.22