Finding the Third Proportional to 10,168 and 19,958

Step by Step Solution

1. Step 1: Write the proportion equation
   10,168 : 19,958 = 19,958 : x
2. Step 2: Convert to fraction form
   10,168/19,958 = 19,958/x
3. Step 3: Cross multiply
   10,168x = 19,958 × 19,958
4. Step 4: Simplify right side
   10,168x = 398,321,764
5. Step 5: Solve for x
   x = 398,321,764/10,168
6. Step 6: Final answer
   x = 39,174.05