Finding the Third Proportional to 2,509,867 and 3,878,160.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,509,867 : 3,878,160.50 = 3,878,160.50 : x
2. Step 2: Convert to fraction form
   2,509,867/3,878,160.50 = 3,878,160.50/x
3. Step 3: Cross multiply
   2,509,867x = 3,878,160.50 × 3,878,160.50
4. Step 4: Simplify right side
   2,509,867x = 15,040,128,863,760.25
5. Step 5: Solve for x
   x = 15,040,128,863,760.25/2,509,867
6. Step 6: Final answer
   x = 5,992,400.74