Finding the Third Proportional to 123,814.50 and 204,855

Step by Step Solution

1. Step 1: Write the proportion equation
   123,814.50 : 204,855 = 204,855 : x
2. Step 2: Convert to fraction form
   123,814.50/204,855 = 204,855/x
3. Step 3: Cross multiply
   123,814.50x = 204,855 × 204,855
4. Step 4: Simplify right side
   123,814.50x = 41,965,571,025
5. Step 5: Solve for x
   x = 41,965,571,025/123,814.50
6. Step 6: Final answer
   x = 338,939.07