Finding the Third Proportional to 155,880 and 339,054

Step by Step Solution

1. Step 1: Write the proportion equation
   155,880 : 339,054 = 339,054 : x
2. Step 2: Convert to fraction form
   155,880/339,054 = 339,054/x
3. Step 3: Cross multiply
   155,880x = 339,054 × 339,054
4. Step 4: Simplify right side
   155,880x = 114,957,614,916
5. Step 5: Solve for x
   x = 114,957,614,916/155,880
6. Step 6: Final answer
   x = 737,475.08