Finding the Third Proportional to 20,191 and 30,992

Step by Step Solution

1. Step 1: Write the proportion equation
   20,191 : 30,992 = 30,992 : x
2. Step 2: Convert to fraction form
   20,191/30,992 = 30,992/x
3. Step 3: Cross multiply
   20,191x = 30,992 × 30,992
4. Step 4: Simplify right side
   20,191x = 960,504,064
5. Step 5: Solve for x
   x = 960,504,064/20,191
6. Step 6: Final answer
   x = 47,570.90