Finding the Third Proportional to 80,573.50 and 173,958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,573.50 : 173,958.50 = 173,958.50 : x
2. Step 2: Convert to fraction form
   80,573.50/173,958.50 = 173,958.50/x
3. Step 3: Cross multiply
   80,573.50x = 173,958.50 × 173,958.50
4. Step 4: Simplify right side
   80,573.50x = 30,261,559,722.25
5. Step 5: Solve for x
   x = 30,261,559,722.25/80,573.50
6. Step 6: Final answer
   x = 375,577.08