Finding the Third Proportional to 10,272.75 and 15,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,272.75 : 15,004.50 = 15,004.50 : x
2. Step 2: Convert to fraction form
   10,272.75/15,004.50 = 15,004.50/x
3. Step 3: Cross multiply
   10,272.75x = 15,004.50 × 15,004.50
4. Step 4: Simplify right side
   10,272.75x = 225,135,020.25
5. Step 5: Solve for x
   x = 225,135,020.25/10,272.75
6. Step 6: Final answer
   x = 21,915.75