Finding the Third Proportional to 17,022 and 18,858

Step by Step Solution

1. Step 1: Write the proportion equation
   17,022 : 18,858 = 18,858 : x
2. Step 2: Convert to fraction form
   17,022/18,858 = 18,858/x
3. Step 3: Cross multiply
   17,022x = 18,858 × 18,858
4. Step 4: Simplify right side
   17,022x = 355,624,164
5. Step 5: Solve for x
   x = 355,624,164/17,022
6. Step 6: Final answer
   x = 20,892.03