Finding the Third Proportional to 2,215,566 and 4,819,932

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,566 : 4,819,932 = 4,819,932 : x
2. Step 2: Convert to fraction form
   2,215,566/4,819,932 = 4,819,932/x
3. Step 3: Cross multiply
   2,215,566x = 4,819,932 × 4,819,932
4. Step 4: Simplify right side
   2,215,566x = 23,231,744,484,624
5. Step 5: Solve for x
   x = 23,231,744,484,624/2,215,566
6. Step 6: Final answer
   x = 10,485,692.81