Finding the Third Proportional to 3,605.50 and 5,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,605.50 : 5,271.50 = 5,271.50 : x
2. Step 2: Convert to fraction form
   3,605.50/5,271.50 = 5,271.50/x
3. Step 3: Cross multiply
   3,605.50x = 5,271.50 × 5,271.50
4. Step 4: Simplify right side
   3,605.50x = 27,788,712.25
5. Step 5: Solve for x
   x = 27,788,712.25/3,605.50
6. Step 6: Final answer
   x = 7,707.31