Finding the Third Proportional to 9,168 and 19,716

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168 : 19,716 = 19,716 : x
2. Step 2: Convert to fraction form
   9,168/19,716 = 19,716/x
3. Step 3: Cross multiply
   9,168x = 19,716 × 19,716
4. Step 4: Simplify right side
   9,168x = 388,720,656
5. Step 5: Solve for x
   x = 388,720,656/9,168
6. Step 6: Final answer
   x = 42,399.72