Finding the Third Proportional to 21,960 and 31,372

Step by Step Solution

1. Step 1: Write the proportion equation
   21,960 : 31,372 = 31,372 : x
2. Step 2: Convert to fraction form
   21,960/31,372 = 31,372/x
3. Step 3: Cross multiply
   21,960x = 31,372 × 31,372
4. Step 4: Simplify right side
   21,960x = 984,202,384
5. Step 5: Solve for x
   x = 984,202,384/21,960
6. Step 6: Final answer
   x = 44,817.96