Finding the Third Proportional to 131,138 and 192,404

Step by Step Solution

1. Step 1: Write the proportion equation
   131,138 : 192,404 = 192,404 : x
2. Step 2: Convert to fraction form
   131,138/192,404 = 192,404/x
3. Step 3: Cross multiply
   131,138x = 192,404 × 192,404
4. Step 4: Simplify right side
   131,138x = 37,019,299,216
5. Step 5: Solve for x
   x = 37,019,299,216/131,138
6. Step 6: Final answer
   x = 282,292.69