Finding the Third Proportional to 155,544 and 338,743.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,544 : 338,743.50 = 338,743.50 : x
2. Step 2: Convert to fraction form
   155,544/338,743.50 = 338,743.50/x
3. Step 3: Cross multiply
   155,544x = 338,743.50 × 338,743.50
4. Step 4: Simplify right side
   155,544x = 114,747,158,792.25
5. Step 5: Solve for x
   x = 114,747,158,792.25/155,544
6. Step 6: Final answer
   x = 737,715.11