Finding the Third Proportional to 2,647.50 and 5,756.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.50 : 5,756.25 = 5,756.25 : x
2. Step 2: Convert to fraction form
   2,647.50/5,756.25 = 5,756.25/x
3. Step 3: Cross multiply
   2,647.50x = 5,756.25 × 5,756.25
4. Step 4: Simplify right side
   2,647.50x = 33,134,414.06
5. Step 5: Solve for x
   x = 33,134,414.06/2,647.50
6. Step 6: Final answer
   x = 12,515.36