Finding the Third Proportional to 31,014 and 67,939

Step by Step Solution

1. Step 1: Write the proportion equation
   31,014 : 67,939 = 67,939 : x
2. Step 2: Convert to fraction form
   31,014/67,939 = 67,939/x
3. Step 3: Cross multiply
   31,014x = 67,939 × 67,939
4. Step 4: Simplify right side
   31,014x = 4,615,707,721
5. Step 5: Solve for x
   x = 4,615,707,721/31,014
6. Step 6: Final answer
   x = 148,826.59