Finding the Third Proportional to 31,722 and 41,721

Step by Step Solution

1. Step 1: Write the proportion equation
   31,722 : 41,721 = 41,721 : x
2. Step 2: Convert to fraction form
   31,722/41,721 = 41,721/x
3. Step 3: Cross multiply
   31,722x = 41,721 × 41,721
4. Step 4: Simplify right side
   31,722x = 1,740,641,841
5. Step 5: Solve for x
   x = 1,740,641,841/31,722
6. Step 6: Final answer
   x = 54,871.76