Finding the Third Proportional to 7,664.50 and 10,555

Step by Step Solution

1. Step 1: Write the proportion equation
   7,664.50 : 10,555 = 10,555 : x
2. Step 2: Convert to fraction form
   7,664.50/10,555 = 10,555/x
3. Step 3: Cross multiply
   7,664.50x = 10,555 × 10,555
4. Step 4: Simplify right side
   7,664.50x = 111,408,025
5. Step 5: Solve for x
   x = 111,408,025/7,664.50
6. Step 6: Final answer
   x = 14,535.59