Finding the Third Proportional to 2,255,668 and 3,321,198

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255,668 : 3,321,198 = 3,321,198 : x
2. Step 2: Convert to fraction form
   2,255,668/3,321,198 = 3,321,198/x
3. Step 3: Cross multiply
   2,255,668x = 3,321,198 × 3,321,198
4. Step 4: Simplify right side
   2,255,668x = 11,030,356,155,204
5. Step 5: Solve for x
   x = 11,030,356,155,204/2,255,668
6. Step 6: Final answer
   x = 4,890,061.90