Finding the Third Proportional to 2,215,542 and 4,819,884

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,542 : 4,819,884 = 4,819,884 : x
2. Step 2: Convert to fraction form
   2,215,542/4,819,884 = 4,819,884/x
3. Step 3: Cross multiply
   2,215,542x = 4,819,884 × 4,819,884
4. Step 4: Simplify right side
   2,215,542x = 23,231,281,773,456
5. Step 5: Solve for x
   x = 23,231,281,773,456/2,215,542
6. Step 6: Final answer
   x = 10,485,597.55