Finding the Third Proportional to 16,173 and 21,735

Step by Step Solution

1. Step 1: Write the proportion equation
   16,173 : 21,735 = 21,735 : x
2. Step 2: Convert to fraction form
   16,173/21,735 = 21,735/x
3. Step 3: Cross multiply
   16,173x = 21,735 × 21,735
4. Step 4: Simplify right side
   16,173x = 472,410,225
5. Step 5: Solve for x
   x = 472,410,225/16,173
6. Step 6: Final answer
   x = 29,209.81