Finding the Third Proportional to 17,666 and 19,508

Step by Step Solution

1. Step 1: Write the proportion equation
   17,666 : 19,508 = 19,508 : x
2. Step 2: Convert to fraction form
   17,666/19,508 = 19,508/x
3. Step 3: Cross multiply
   17,666x = 19,508 × 19,508
4. Step 4: Simplify right side
   17,666x = 380,562,064
5. Step 5: Solve for x
   x = 380,562,064/17,666
6. Step 6: Final answer
   x = 21,542.06