Finding the Third Proportional to 2,215,784 and 4,819,794.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,784 : 4,819,794.50 = 4,819,794.50 : x
2. Step 2: Convert to fraction form
   2,215,784/4,819,794.50 = 4,819,794.50/x
3. Step 3: Cross multiply
   2,215,784x = 4,819,794.50 × 4,819,794.50
4. Step 4: Simplify right side
   2,215,784x = 23,230,419,022,230.25
5. Step 5: Solve for x
   x = 23,230,419,022,230.25/2,215,784
6. Step 6: Final answer
   x = 10,484,062.99