Finding the Third Proportional to 65,332 and 141,728

Step by Step Solution

1. Step 1: Write the proportion equation
   65,332 : 141,728 = 141,728 : x
2. Step 2: Convert to fraction form
   65,332/141,728 = 141,728/x
3. Step 3: Cross multiply
   65,332x = 141,728 × 141,728
4. Step 4: Simplify right side
   65,332x = 20,086,825,984
5. Step 5: Solve for x
   x = 20,086,825,984/65,332
6. Step 6: Final answer
   x = 307,457.69