Finding the Third Proportional to 31,224 and 62,976

Step by Step Solution

1. Step 1: Write the proportion equation
   31,224 : 62,976 = 62,976 : x
2. Step 2: Convert to fraction form
   31,224/62,976 = 62,976/x
3. Step 3: Cross multiply
   31,224x = 62,976 × 62,976
4. Step 4: Simplify right side
   31,224x = 3,965,976,576
5. Step 5: Solve for x
   x = 3,965,976,576/31,224
6. Step 6: Final answer
   x = 127,016.93