Finding the Third Proportional to 91,104 and 192,111

Step by Step Solution

1. Step 1: Write the proportion equation
   91,104 : 192,111 = 192,111 : x
2. Step 2: Convert to fraction form
   91,104/192,111 = 192,111/x
3. Step 3: Cross multiply
   91,104x = 192,111 × 192,111
4. Step 4: Simplify right side
   91,104x = 36,906,636,321
5. Step 5: Solve for x
   x = 36,906,636,321/91,104
6. Step 6: Final answer
   x = 405,104.46