Finding the Third Proportional to 9,399.50 and 13,655

Step by Step Solution

1. Step 1: Write the proportion equation
   9,399.50 : 13,655 = 13,655 : x
2. Step 2: Convert to fraction form
   9,399.50/13,655 = 13,655/x
3. Step 3: Cross multiply
   9,399.50x = 13,655 × 13,655
4. Step 4: Simplify right side
   9,399.50x = 186,459,025
5. Step 5: Solve for x
   x = 186,459,025/9,399.50
6. Step 6: Final answer
   x = 19,837.12