Finding the Third Proportional to 12,301.88 and 18,515.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,301.88 : 18,515.25 = 18,515.25 : x
2. Step 2: Convert to fraction form
   12,301.88/18,515.25 = 18,515.25/x
3. Step 3: Cross multiply
   12,301.88x = 18,515.25 × 18,515.25
4. Step 4: Simplify right side
   12,301.88x = 342,814,482.56
5. Step 5: Solve for x
   x = 342,814,482.56/12,301.88
6. Step 6: Final answer
   x = 27,866.85