Finding the Third Proportional to 40,800 and 89,616

Step by Step Solution

1. Step 1: Write the proportion equation
   40,800 : 89,616 = 89,616 : x
2. Step 2: Convert to fraction form
   40,800/89,616 = 89,616/x
3. Step 3: Cross multiply
   40,800x = 89,616 × 89,616
4. Step 4: Simplify right side
   40,800x = 8,031,027,456
5. Step 5: Solve for x
   x = 8,031,027,456/40,800
6. Step 6: Final answer
   x = 196,838.91