Finding the Third Proportional to 90,647 and 192,099

Step by Step Solution

1. Step 1: Write the proportion equation
   90,647 : 192,099 = 192,099 : x
2. Step 2: Convert to fraction form
   90,647/192,099 = 192,099/x
3. Step 3: Cross multiply
   90,647x = 192,099 × 192,099
4. Step 4: Simplify right side
   90,647x = 36,902,025,801
5. Step 5: Solve for x
   x = 36,902,025,801/90,647
6. Step 6: Final answer
   x = 407,095.94