Finding the Third Proportional to 17,182 and 18,958

Step by Step Solution

1. Step 1: Write the proportion equation
   17,182 : 18,958 = 18,958 : x
2. Step 2: Convert to fraction form
   17,182/18,958 = 18,958/x
3. Step 3: Cross multiply
   17,182x = 18,958 × 18,958
4. Step 4: Simplify right side
   17,182x = 359,405,764
5. Step 5: Solve for x
   x = 359,405,764/17,182
6. Step 6: Final answer
   x = 20,917.57