Finding the Third Proportional to 9,009.75 and 19,716.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,009.75 : 19,716.38 = 19,716.38 : x
2. Step 2: Convert to fraction form
   9,009.75/19,716.38 = 19,716.38/x
3. Step 3: Cross multiply
   9,009.75x = 19,716.38 × 19,716.38
4. Step 4: Simplify right side
   9,009.75x = 388,735,443.14
5. Step 5: Solve for x
   x = 388,735,443.14/9,009.75
6. Step 6: Final answer
   x = 43,146.09