Finding the Third Proportional to 80,725.78 and 175,983.47

Step by Step Solution

1. Step 1: Write the proportion equation
   80,725.78 : 175,983.47 = 175,983.47 : x
2. Step 2: Convert to fraction form
   80,725.78/175,983.47 = 175,983.47/x
3. Step 3: Cross multiply
   80,725.78x = 175,983.47 × 175,983.47
4. Step 4: Simplify right side
   80,725.78x = 30,970,181,273.28
5. Step 5: Solve for x
   x = 30,970,181,273.28/80,725.78
6. Step 6: Final answer
   x = 383,646.72