Finding the Third Proportional to 17,992 and 19,912

Step by Step Solution

1. Step 1: Write the proportion equation
   17,992 : 19,912 = 19,912 : x
2. Step 2: Convert to fraction form
   17,992/19,912 = 19,912/x
3. Step 3: Cross multiply
   17,992x = 19,912 × 19,912
4. Step 4: Simplify right side
   17,992x = 396,487,744
5. Step 5: Solve for x
   x = 396,487,744/17,992
6. Step 6: Final answer
   x = 22,036.89