Finding the Third Proportional to 206,105 and 327,858.50

Step by Step Solution

1. Step 1: Write the proportion equation
   206,105 : 327,858.50 = 327,858.50 : x
2. Step 2: Convert to fraction form
   206,105/327,858.50 = 327,858.50/x
3. Step 3: Cross multiply
   206,105x = 327,858.50 × 327,858.50
4. Step 4: Simplify right side
   206,105x = 107,491,196,022.25
5. Step 5: Solve for x
   x = 107,491,196,022.25/206,105
6. Step 6: Final answer
   x = 521,536.09