Finding the Third Proportional to 13,320 and 20,706

Step by Step Solution

1. Step 1: Write the proportion equation
   13,320 : 20,706 = 20,706 : x
2. Step 2: Convert to fraction form
   13,320/20,706 = 20,706/x
3. Step 3: Cross multiply
   13,320x = 20,706 × 20,706
4. Step 4: Simplify right side
   13,320x = 428,738,436
5. Step 5: Solve for x
   x = 428,738,436/13,320
6. Step 6: Final answer
   x = 32,187.57