Finding the Third Proportional to 17,248 and 18,904

Step by Step Solution

1. Step 1: Write the proportion equation
   17,248 : 18,904 = 18,904 : x
2. Step 2: Convert to fraction form
   17,248/18,904 = 18,904/x
3. Step 3: Cross multiply
   17,248x = 18,904 × 18,904
4. Step 4: Simplify right side
   17,248x = 357,361,216
5. Step 5: Solve for x
   x = 357,361,216/17,248
6. Step 6: Final answer
   x = 20,718.99