Finding the Third Proportional to 67,728 and 148,580

Step by Step Solution

1. Step 1: Write the proportion equation
   67,728 : 148,580 = 148,580 : x
2. Step 2: Convert to fraction form
   67,728/148,580 = 148,580/x
3. Step 3: Cross multiply
   67,728x = 148,580 × 148,580
4. Step 4: Simplify right side
   67,728x = 22,076,016,400
5. Step 5: Solve for x
   x = 22,076,016,400/67,728
6. Step 6: Final answer
   x = 325,951.10