Finding the Third Proportional to 64,800 and 131,904

Step by Step Solution

1. Step 1: Write the proportion equation
   64,800 : 131,904 = 131,904 : x
2. Step 2: Convert to fraction form
   64,800/131,904 = 131,904/x
3. Step 3: Cross multiply
   64,800x = 131,904 × 131,904
4. Step 4: Simplify right side
   64,800x = 17,398,665,216
5. Step 5: Solve for x
   x = 17,398,665,216/64,800
6. Step 6: Final answer
   x = 268,497.92