Finding the Third Proportional to 17,164 and 18,940

Step by Step Solution

1. Step 1: Write the proportion equation
   17,164 : 18,940 = 18,940 : x
2. Step 2: Convert to fraction form
   17,164/18,940 = 18,940/x
3. Step 3: Cross multiply
   17,164x = 18,940 × 18,940
4. Step 4: Simplify right side
   17,164x = 358,723,600
5. Step 5: Solve for x
   x = 358,723,600/17,164
6. Step 6: Final answer
   x = 20,899.77