Finding the Third Proportional to 7,020 and 10,271.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,020 : 10,271.25 = 10,271.25 : x
2. Step 2: Convert to fraction form
   7,020/10,271.25 = 10,271.25/x
3. Step 3: Cross multiply
   7,020x = 10,271.25 × 10,271.25
4. Step 4: Simplify right side
   7,020x = 105,498,576.56
5. Step 5: Solve for x
   x = 105,498,576.56/7,020
6. Step 6: Final answer
   x = 15,028.29