Finding the Third Proportional to 72,885 and 159,720

Step by Step Solution

1. Step 1: Write the proportion equation
   72,885 : 159,720 = 159,720 : x
2. Step 2: Convert to fraction form
   72,885/159,720 = 159,720/x
3. Step 3: Cross multiply
   72,885x = 159,720 × 159,720
4. Step 4: Simplify right side
   72,885x = 25,510,478,400
5. Step 5: Solve for x
   x = 25,510,478,400/72,885
6. Step 6: Final answer
   x = 350,009.99