Finding the Third Proportional to 17,206 and 18,826

Step by Step Solution

1. Step 1: Write the proportion equation
   17,206 : 18,826 = 18,826 : x
2. Step 2: Convert to fraction form
   17,206/18,826 = 18,826/x
3. Step 3: Cross multiply
   17,206x = 18,826 × 18,826
4. Step 4: Simplify right side
   17,206x = 354,418,276
5. Step 5: Solve for x
   x = 354,418,276/17,206
6. Step 6: Final answer
   x = 20,598.53