Finding the Third Proportional to 31,417 and 67,383

Step by Step Solution

1. Step 1: Write the proportion equation
   31,417 : 67,383 = 67,383 : x
2. Step 2: Convert to fraction form
   31,417/67,383 = 67,383/x
3. Step 3: Cross multiply
   31,417x = 67,383 × 67,383
4. Step 4: Simplify right side
   31,417x = 4,540,468,689
5. Step 5: Solve for x
   x = 4,540,468,689/31,417
6. Step 6: Final answer
   x = 144,522.67