Finding the Third Proportional to 158,047.50 and 342,339

Step by Step Solution

1. Step 1: Write the proportion equation
   158,047.50 : 342,339 = 342,339 : x
2. Step 2: Convert to fraction form
   158,047.50/342,339 = 342,339/x
3. Step 3: Cross multiply
   158,047.50x = 342,339 × 342,339
4. Step 4: Simplify right side
   158,047.50x = 117,195,990,921
5. Step 5: Solve for x
   x = 117,195,990,921/158,047.50
6. Step 6: Final answer
   x = 741,523.85