Finding the Third Proportional to 90,182 and 192,870

Step by Step Solution

1. Step 1: Write the proportion equation
   90,182 : 192,870 = 192,870 : x
2. Step 2: Convert to fraction form
   90,182/192,870 = 192,870/x
3. Step 3: Cross multiply
   90,182x = 192,870 × 192,870
4. Step 4: Simplify right side
   90,182x = 37,198,836,900
5. Step 5: Solve for x
   x = 37,198,836,900/90,182
6. Step 6: Final answer
   x = 412,486.27