Finding the Third Proportional to 2,152 and 3,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152 : 3,309.50 = 3,309.50 : x
2. Step 2: Convert to fraction form
   2,152/3,309.50 = 3,309.50/x
3. Step 3: Cross multiply
   2,152x = 3,309.50 × 3,309.50
4. Step 4: Simplify right side
   2,152x = 10,952,790.25
5. Step 5: Solve for x
   x = 10,952,790.25/2,152
6. Step 6: Final answer
   x = 5,089.59