Finding the Third Proportional to 22,173 and 33,720

Step by Step Solution

1. Step 1: Write the proportion equation
   22,173 : 33,720 = 33,720 : x
2. Step 2: Convert to fraction form
   22,173/33,720 = 33,720/x
3. Step 3: Cross multiply
   22,173x = 33,720 × 33,720
4. Step 4: Simplify right side
   22,173x = 1,137,038,400
5. Step 5: Solve for x
   x = 1,137,038,400/22,173
6. Step 6: Final answer
   x = 51,280.31