Finding the Third Proportional to 32,720 and 72,832

Step by Step Solution

1. Step 1: Write the proportion equation
   32,720 : 72,832 = 72,832 : x
2. Step 2: Convert to fraction form
   32,720/72,832 = 72,832/x
3. Step 3: Cross multiply
   32,720x = 72,832 × 72,832
4. Step 4: Simplify right side
   32,720x = 5,304,500,224
5. Step 5: Solve for x
   x = 5,304,500,224/32,720
6. Step 6: Final answer
   x = 162,117.98