Finding the Third Proportional to 9,664.59 and 14,150.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,664.59 : 14,150.81 = 14,150.81 : x
2. Step 2: Convert to fraction form
   9,664.59/14,150.81 = 14,150.81/x
3. Step 3: Cross multiply
   9,664.59x = 14,150.81 × 14,150.81
4. Step 4: Simplify right side
   9,664.59x = 200,245,494.41
5. Step 5: Solve for x
   x = 200,245,494.41/9,664.59
6. Step 6: Final answer
   x = 20,719.49