Finding the Third Proportional to 2,171,482 and 4,288,466

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,482 : 4,288,466 = 4,288,466 : x
2. Step 2: Convert to fraction form
   2,171,482/4,288,466 = 4,288,466/x
3. Step 3: Cross multiply
   2,171,482x = 4,288,466 × 4,288,466
4. Step 4: Simplify right side
   2,171,482x = 18,390,940,633,156
5. Step 5: Solve for x
   x = 18,390,940,633,156/2,171,482
6. Step 6: Final answer
   x = 8,469,303.74