Finding the Third Proportional to 2,188,591 and 3,496,328

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,591 : 3,496,328 = 3,496,328 : x
2. Step 2: Convert to fraction form
   2,188,591/3,496,328 = 3,496,328/x
3. Step 3: Cross multiply
   2,188,591x = 3,496,328 × 3,496,328
4. Step 4: Simplify right side
   2,188,591x = 12,224,309,483,584
5. Step 5: Solve for x
   x = 12,224,309,483,584/2,188,591
6. Step 6: Final answer
   x = 5,585,470.05