Finding the Third Proportional to 17,920 and 36,384

Step by Step Solution

1. Step 1: Write the proportion equation
   17,920 : 36,384 = 36,384 : x
2. Step 2: Convert to fraction form
   17,920/36,384 = 36,384/x
3. Step 3: Cross multiply
   17,920x = 36,384 × 36,384
4. Step 4: Simplify right side
   17,920x = 1,323,795,456
5. Step 5: Solve for x
   x = 1,323,795,456/17,920
6. Step 6: Final answer
   x = 73,872.51