Finding the Third Proportional to 19,872 and 41,792

Step by Step Solution

1. Step 1: Write the proportion equation
   19,872 : 41,792 = 41,792 : x
2. Step 2: Convert to fraction form
   19,872/41,792 = 41,792/x
3. Step 3: Cross multiply
   19,872x = 41,792 × 41,792
4. Step 4: Simplify right side
   19,872x = 1,746,571,264
5. Step 5: Solve for x
   x = 1,746,571,264/19,872
6. Step 6: Final answer
   x = 87,891.07