Finding the Third Proportional to 2,215,596 and 4,809,323

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,596 : 4,809,323 = 4,809,323 : x
2. Step 2: Convert to fraction form
   2,215,596/4,809,323 = 4,809,323/x
3. Step 3: Cross multiply
   2,215,596x = 4,809,323 × 4,809,323
4. Step 4: Simplify right side
   2,215,596x = 23,129,587,718,329
5. Step 5: Solve for x
   x = 23,129,587,718,329/2,215,596
6. Step 6: Final answer
   x = 10,439,442.80