Finding the Third Proportional to 31,062 and 67,042

Step by Step Solution

1. Step 1: Write the proportion equation
   31,062 : 67,042 = 67,042 : x
2. Step 2: Convert to fraction form
   31,062/67,042 = 67,042/x
3. Step 3: Cross multiply
   31,062x = 67,042 × 67,042
4. Step 4: Simplify right side
   31,062x = 4,494,629,764
5. Step 5: Solve for x
   x = 4,494,629,764/31,062
6. Step 6: Final answer
   x = 144,698.66