Finding the Third Proportional to 155,711.25 and 338,760

Step by Step Solution

1. Step 1: Write the proportion equation
   155,711.25 : 338,760 = 338,760 : x
2. Step 2: Convert to fraction form
   155,711.25/338,760 = 338,760/x
3. Step 3: Cross multiply
   155,711.25x = 338,760 × 338,760
4. Step 4: Simplify right side
   155,711.25x = 114,758,337,600
5. Step 5: Solve for x
   x = 114,758,337,600/155,711.25
6. Step 6: Final answer
   x = 736,994.52