Finding the Third Proportional to 80,285.50 and 174,872

Step by Step Solution

1. Step 1: Write the proportion equation
   80,285.50 : 174,872 = 174,872 : x
2. Step 2: Convert to fraction form
   80,285.50/174,872 = 174,872/x
3. Step 3: Cross multiply
   80,285.50x = 174,872 × 174,872
4. Step 4: Simplify right side
   80,285.50x = 30,580,216,384
5. Step 5: Solve for x
   x = 30,580,216,384/80,285.50
6. Step 6: Final answer
   x = 380,893.39