Finding the Third Proportional to 114,115.50 and 231,687

Step by Step Solution

1. Step 1: Write the proportion equation
   114,115.50 : 231,687 = 231,687 : x
2. Step 2: Convert to fraction form
   114,115.50/231,687 = 231,687/x
3. Step 3: Cross multiply
   114,115.50x = 231,687 × 231,687
4. Step 4: Simplify right side
   114,115.50x = 53,678,865,969
5. Step 5: Solve for x
   x = 53,678,865,969/114,115.50
6. Step 6: Final answer
   x = 470,390.67