Finding the Third Proportional to 2,589,867 and 4,053,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589,867 : 4,053,766.50 = 4,053,766.50 : x
2. Step 2: Convert to fraction form
   2,589,867/4,053,766.50 = 4,053,766.50/x
3. Step 3: Cross multiply
   2,589,867x = 4,053,766.50 × 4,053,766.50
4. Step 4: Simplify right side
   2,589,867x = 16,433,022,836,522.25
5. Step 5: Solve for x
   x = 16,433,022,836,522.25/2,589,867
6. Step 6: Final answer
   x = 6,345,122.29