Finding the Third Proportional to 155,527.50 and 339,198

Step by Step Solution

1. Step 1: Write the proportion equation
   155,527.50 : 339,198 = 339,198 : x
2. Step 2: Convert to fraction form
   155,527.50/339,198 = 339,198/x
3. Step 3: Cross multiply
   155,527.50x = 339,198 × 339,198
4. Step 4: Simplify right side
   155,527.50x = 115,055,283,204
5. Step 5: Solve for x
   x = 115,055,283,204/155,527.50
6. Step 6: Final answer
   x = 739,774.53