Finding the Third Proportional to 2,669,823 and 5,728,446

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669,823 : 5,728,446 = 5,728,446 : x
2. Step 2: Convert to fraction form
   2,669,823/5,728,446 = 5,728,446/x
3. Step 3: Cross multiply
   2,669,823x = 5,728,446 × 5,728,446
4. Step 4: Simplify right side
   2,669,823x = 32,815,093,574,916
5. Step 5: Solve for x
   x = 32,815,093,574,916/2,669,823
6. Step 6: Final answer
   x = 12,291,112.02