Finding the Third Proportional to 12,274.88 and 18,391.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,274.88 : 18,391.50 = 18,391.50 : x
2. Step 2: Convert to fraction form
   12,274.88/18,391.50 = 18,391.50/x
3. Step 3: Cross multiply
   12,274.88x = 18,391.50 × 18,391.50
4. Step 4: Simplify right side
   12,274.88x = 338,247,272.25
5. Step 5: Solve for x
   x = 338,247,272.25/12,274.88
6. Step 6: Final answer
   x = 27,556.07