Finding the Third Proportional to 2,425.50 and 5,372.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.50 : 5,372.50 = 5,372.50 : x
2. Step 2: Convert to fraction form
   2,425.50/5,372.50 = 5,372.50/x
3. Step 3: Cross multiply
   2,425.50x = 5,372.50 × 5,372.50
4. Step 4: Simplify right side
   2,425.50x = 28,863,756.25
5. Step 5: Solve for x
   x = 28,863,756.25/2,425.50
6. Step 6: Final answer
   x = 11,900.13