Finding the Third Proportional to 20,734 and 31,886

Step by Step Solution

1. Step 1: Write the proportion equation
   20,734 : 31,886 = 31,886 : x
2. Step 2: Convert to fraction form
   20,734/31,886 = 31,886/x
3. Step 3: Cross multiply
   20,734x = 31,886 × 31,886
4. Step 4: Simplify right side
   20,734x = 1,016,716,996
5. Step 5: Solve for x
   x = 1,016,716,996/20,734
6. Step 6: Final answer
   x = 49,036.22