Finding the Third Proportional to 10,906,774 and 16,911,345

Step by Step Solution

1. Step 1: Write the proportion equation
   10,906,774 : 16,911,345 = 16,911,345 : x
2. Step 2: Convert to fraction form
   10,906,774/16,911,345 = 16,911,345/x
3. Step 3: Cross multiply
   10,906,774x = 16,911,345 × 16,911,345
4. Step 4: Simplify right side
   10,906,774x = 285,993,589,709,025
5. Step 5: Solve for x
   x = 285,993,589,709,025/10,906,774
6. Step 6: Final answer
   x = 26,221,648.10