Finding the Third Proportional to 80,305.50 and 174,912

Step by Step Solution

1. Step 1: Write the proportion equation
   80,305.50 : 174,912 = 174,912 : x
2. Step 2: Convert to fraction form
   80,305.50/174,912 = 174,912/x
3. Step 3: Cross multiply
   80,305.50x = 174,912 × 174,912
4. Step 4: Simplify right side
   80,305.50x = 30,594,207,744
5. Step 5: Solve for x
   x = 30,594,207,744/80,305.50
6. Step 6: Final answer
   x = 380,972.76