Finding the Third Proportional to 87,745.50 and 192,150

Step by Step Solution

1. Step 1: Write the proportion equation
   87,745.50 : 192,150 = 192,150 : x
2. Step 2: Convert to fraction form
   87,745.50/192,150 = 192,150/x
3. Step 3: Cross multiply
   87,745.50x = 192,150 × 192,150
4. Step 4: Simplify right side
   87,745.50x = 36,921,622,500
5. Step 5: Solve for x
   x = 36,921,622,500/87,745.50
6. Step 6: Final answer
   x = 420,780.81