Finding the Third Proportional to 31,180 and 67,348

Step by Step Solution

1. Step 1: Write the proportion equation
   31,180 : 67,348 = 67,348 : x
2. Step 2: Convert to fraction form
   31,180/67,348 = 67,348/x
3. Step 3: Cross multiply
   31,180x = 67,348 × 67,348
4. Step 4: Simplify right side
   31,180x = 4,535,753,104
5. Step 5: Solve for x
   x = 4,535,753,104/31,180
6. Step 6: Final answer
   x = 145,469.95