Finding the Third Proportional to 170,383.50 and 263,791.69

Step by Step Solution

1. Step 1: Write the proportion equation
   170,383.50 : 263,791.69 = 263,791.69 : x
2. Step 2: Convert to fraction form
   170,383.50/263,791.69 = 263,791.69/x
3. Step 3: Cross multiply
   170,383.50x = 263,791.69 × 263,791.69
4. Step 4: Simplify right side
   170,383.50x = 69,586,054,394.10
5. Step 5: Solve for x
   x = 69,586,054,394.10/170,383.50
6. Step 6: Final answer
   x = 408,408.41