Finding the Third Proportional to 16,976 and 18,272

Step by Step Solution

1. Step 1: Write the proportion equation
   16,976 : 18,272 = 18,272 : x
2. Step 2: Convert to fraction form
   16,976/18,272 = 18,272/x
3. Step 3: Cross multiply
   16,976x = 18,272 × 18,272
4. Step 4: Simplify right side
   16,976x = 333,865,984
5. Step 5: Solve for x
   x = 333,865,984/16,976
6. Step 6: Final answer
   x = 19,666.94