Finding the Third Proportional to 91,262 and 192,406

Step by Step Solution

1. Step 1: Write the proportion equation
   91,262 : 192,406 = 192,406 : x
2. Step 2: Convert to fraction form
   91,262/192,406 = 192,406/x
3. Step 3: Cross multiply
   91,262x = 192,406 × 192,406
4. Step 4: Simplify right side
   91,262x = 37,020,068,836
5. Step 5: Solve for x
   x = 37,020,068,836/91,262
6. Step 6: Final answer
   x = 405,646.04