Finding the Third Proportional to 90,171 and 192,850

Step by Step Solution

1. Step 1: Write the proportion equation
   90,171 : 192,850 = 192,850 : x
2. Step 2: Convert to fraction form
   90,171/192,850 = 192,850/x
3. Step 3: Cross multiply
   90,171x = 192,850 × 192,850
4. Step 4: Simplify right side
   90,171x = 37,191,122,500
5. Step 5: Solve for x
   x = 37,191,122,500/90,171
6. Step 6: Final answer
   x = 412,451.04