Finding the Third Proportional to 158,042.25 and 342,328.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,042.25 : 342,328.50 = 342,328.50 : x
2. Step 2: Convert to fraction form
   158,042.25/342,328.50 = 342,328.50/x
3. Step 3: Cross multiply
   158,042.25x = 342,328.50 × 342,328.50
4. Step 4: Simplify right side
   158,042.25x = 117,188,801,912.25
5. Step 5: Solve for x
   x = 117,188,801,912.25/158,042.25
6. Step 6: Final answer
   x = 741,503.00