Finding the Third Proportional to 2,180,966 and 3,310,689

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180,966 : 3,310,689 = 3,310,689 : x
2. Step 2: Convert to fraction form
   2,180,966/3,310,689 = 3,310,689/x
3. Step 3: Cross multiply
   2,180,966x = 3,310,689 × 3,310,689
4. Step 4: Simplify right side
   2,180,966x = 10,960,661,654,721
5. Step 5: Solve for x
   x = 10,960,661,654,721/2,180,966
6. Step 6: Final answer
   x = 5,025,599.51