Finding the Third Proportional to 105,173 and 227,302

Step by Step Solution

1. Step 1: Write the proportion equation
   105,173 : 227,302 = 227,302 : x
2. Step 2: Convert to fraction form
   105,173/227,302 = 227,302/x
3. Step 3: Cross multiply
   105,173x = 227,302 × 227,302
4. Step 4: Simplify right side
   105,173x = 51,666,199,204
5. Step 5: Solve for x
   x = 51,666,199,204/105,173
6. Step 6: Final answer
   x = 491,249.65