Finding the Third Proportional to 192,168 and 280,846.50

Step by Step Solution

1. Step 1: Write the proportion equation
   192,168 : 280,846.50 = 280,846.50 : x
2. Step 2: Convert to fraction form
   192,168/280,846.50 = 280,846.50/x
3. Step 3: Cross multiply
   192,168x = 280,846.50 × 280,846.50
4. Step 4: Simplify right side
   192,168x = 78,874,756,562.25
5. Step 5: Solve for x
   x = 78,874,756,562.25/192,168
6. Step 6: Final answer
   x = 410,446.88