Finding the Third Proportional to 31,336 and 67,228

Step by Step Solution

1. Step 1: Write the proportion equation
   31,336 : 67,228 = 67,228 : x
2. Step 2: Convert to fraction form
   31,336/67,228 = 67,228/x
3. Step 3: Cross multiply
   31,336x = 67,228 × 67,228
4. Step 4: Simplify right side
   31,336x = 4,519,603,984
5. Step 5: Solve for x
   x = 4,519,603,984/31,336
6. Step 6: Final answer
   x = 144,230.41