Finding the Third Proportional to 1,617,898 and 3,521,078

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617,898 : 3,521,078 = 3,521,078 : x
2. Step 2: Convert to fraction form
   1,617,898/3,521,078 = 3,521,078/x
3. Step 3: Cross multiply
   1,617,898x = 3,521,078 × 3,521,078
4. Step 4: Simplify right side
   1,617,898x = 12,397,990,282,084
5. Step 5: Solve for x
   x = 12,397,990,282,084/1,617,898
6. Step 6: Final answer
   x = 7,663,023.43