Finding the Third Proportional to 4,271.50 and 9,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,271.50 : 9,258.50 = 9,258.50 : x
2. Step 2: Convert to fraction form
   4,271.50/9,258.50 = 9,258.50/x
3. Step 3: Cross multiply
   4,271.50x = 9,258.50 × 9,258.50
4. Step 4: Simplify right side
   4,271.50x = 85,719,822.25
5. Step 5: Solve for x
   x = 85,719,822.25/4,271.50
6. Step 6: Final answer
   x = 20,067.85