Finding the Third Proportional to 105,131 and 229,270

Step by Step Solution

1. Step 1: Write the proportion equation
   105,131 : 229,270 = 229,270 : x
2. Step 2: Convert to fraction form
   105,131/229,270 = 229,270/x
3. Step 3: Cross multiply
   105,131x = 229,270 × 229,270
4. Step 4: Simplify right side
   105,131x = 52,564,732,900
5. Step 5: Solve for x
   x = 52,564,732,900/105,131
6. Step 6: Final answer
   x = 499,992.70