Finding the Third Proportional to 17,892 and 19,512

Step by Step Solution

1. Step 1: Write the proportion equation
   17,892 : 19,512 = 19,512 : x
2. Step 2: Convert to fraction form
   17,892/19,512 = 19,512/x
3. Step 3: Cross multiply
   17,892x = 19,512 × 19,512
4. Step 4: Simplify right side
   17,892x = 380,718,144
5. Step 5: Solve for x
   x = 380,718,144/17,892
6. Step 6: Final answer
   x = 21,278.68