Finding the Third Proportional to 80,245.69 and 171,876.94

Step by Step Solution

1. Step 1: Write the proportion equation
   80,245.69 : 171,876.94 = 171,876.94 : x
2. Step 2: Convert to fraction form
   80,245.69/171,876.94 = 171,876.94/x
3. Step 3: Cross multiply
   80,245.69x = 171,876.94 × 171,876.94
4. Step 4: Simplify right side
   80,245.69x = 29,541,681,644.38
5. Step 5: Solve for x
   x = 29,541,681,644.38/80,245.69
6. Step 6: Final answer
   x = 368,140.43