Finding the Third Proportional to 2,645,422.50 and 3,957,850.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645,422.50 : 3,957,850.50 = 3,957,850.50 : x
2. Step 2: Convert to fraction form
   2,645,422.50/3,957,850.50 = 3,957,850.50/x
3. Step 3: Cross multiply
   2,645,422.50x = 3,957,850.50 × 3,957,850.50
4. Step 4: Simplify right side
   2,645,422.50x = 15,664,580,580,350.25
5. Step 5: Solve for x
   x = 15,664,580,580,350.25/2,645,422.50
6. Step 6: Final answer
   x = 5,921,390.85