Finding the Third Proportional to 2,188,608 and 3,496,349

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,608 : 3,496,349 = 3,496,349 : x
2. Step 2: Convert to fraction form
   2,188,608/3,496,349 = 3,496,349/x
3. Step 3: Cross multiply
   2,188,608x = 3,496,349 × 3,496,349
4. Step 4: Simplify right side
   2,188,608x = 12,224,456,329,801
5. Step 5: Solve for x
   x = 12,224,456,329,801/2,188,608
6. Step 6: Final answer
   x = 5,585,493.76