Finding the Third Proportional to 8,972 and 13,892

Step by Step Solution

1. Step 1: Write the proportion equation
   8,972 : 13,892 = 13,892 : x
2. Step 2: Convert to fraction form
   8,972/13,892 = 13,892/x
3. Step 3: Cross multiply
   8,972x = 13,892 × 13,892
4. Step 4: Simplify right side
   8,972x = 192,987,664
5. Step 5: Solve for x
   x = 192,987,664/8,972
6. Step 6: Final answer
   x = 21,509.99