Finding the Third Proportional to 17,118 and 19,386

Step by Step Solution

1. Step 1: Write the proportion equation
   17,118 : 19,386 = 19,386 : x
2. Step 2: Convert to fraction form
   17,118/19,386 = 19,386/x
3. Step 3: Cross multiply
   17,118x = 19,386 × 19,386
4. Step 4: Simplify right side
   17,118x = 375,816,996
5. Step 5: Solve for x
   x = 375,816,996/17,118
6. Step 6: Final answer
   x = 21,954.49