Finding the Third Proportional to 158,608.50 and 231,582

Step by Step Solution

1. Step 1: Write the proportion equation
   158,608.50 : 231,582 = 231,582 : x
2. Step 2: Convert to fraction form
   158,608.50/231,582 = 231,582/x
3. Step 3: Cross multiply
   158,608.50x = 231,582 × 231,582
4. Step 4: Simplify right side
   158,608.50x = 53,630,222,724
5. Step 5: Solve for x
   x = 53,630,222,724/158,608.50
6. Step 6: Final answer
   x = 338,129.56