Finding the Third Proportional to 131,418 and 192,456

Step by Step Solution

1. Step 1: Write the proportion equation
   131,418 : 192,456 = 192,456 : x
2. Step 2: Convert to fraction form
   131,418/192,456 = 192,456/x
3. Step 3: Cross multiply
   131,418x = 192,456 × 192,456
4. Step 4: Simplify right side
   131,418x = 37,039,311,936
5. Step 5: Solve for x
   x = 37,039,311,936/131,418
6. Step 6: Final answer
   x = 281,843.52