Finding the Third Proportional to 31,896 and 67,944

Step by Step Solution

1. Step 1: Write the proportion equation
   31,896 : 67,944 = 67,944 : x
2. Step 2: Convert to fraction form
   31,896/67,944 = 67,944/x
3. Step 3: Cross multiply
   31,896x = 67,944 × 67,944
4. Step 4: Simplify right side
   31,896x = 4,616,387,136
5. Step 5: Solve for x
   x = 4,616,387,136/31,896
6. Step 6: Final answer
   x = 144,732.48