Finding the Third Proportional to 89,356.50 and 192,442

Step by Step Solution

1. Step 1: Write the proportion equation
   89,356.50 : 192,442 = 192,442 : x
2. Step 2: Convert to fraction form
   89,356.50/192,442 = 192,442/x
3. Step 3: Cross multiply
   89,356.50x = 192,442 × 192,442
4. Step 4: Simplify right side
   89,356.50x = 37,033,923,364
5. Step 5: Solve for x
   x = 37,033,923,364/89,356.50
6. Step 6: Final answer
   x = 414,451.36