Finding the Third Proportional to 43,920 and 85,632

Step by Step Solution

1. Step 1: Write the proportion equation
   43,920 : 85,632 = 85,632 : x
2. Step 2: Convert to fraction form
   43,920/85,632 = 85,632/x
3. Step 3: Cross multiply
   43,920x = 85,632 × 85,632
4. Step 4: Simplify right side
   43,920x = 7,332,839,424
5. Step 5: Solve for x
   x = 7,332,839,424/43,920
6. Step 6: Final answer
   x = 166,959.00