Finding the Third Proportional to 16,191 and 21,753

Step by Step Solution

1. Step 1: Write the proportion equation
   16,191 : 21,753 = 21,753 : x
2. Step 2: Convert to fraction form
   16,191/21,753 = 21,753/x
3. Step 3: Cross multiply
   16,191x = 21,753 × 21,753
4. Step 4: Simplify right side
   16,191x = 473,193,009
5. Step 5: Solve for x
   x = 473,193,009/16,191
6. Step 6: Final answer
   x = 29,225.68