Finding the Third Proportional to 158,613 and 231,588

Step by Step Solution

1. Step 1: Write the proportion equation
   158,613 : 231,588 = 231,588 : x
2. Step 2: Convert to fraction form
   158,613/231,588 = 231,588/x
3. Step 3: Cross multiply
   158,613x = 231,588 × 231,588
4. Step 4: Simplify right side
   158,613x = 53,633,001,744
5. Step 5: Solve for x
   x = 53,633,001,744/158,613
6. Step 6: Final answer
   x = 338,137.49