Finding the Third Proportional to 80,158.50 and 173,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,158.50 : 173,164.50 = 173,164.50 : x
2. Step 2: Convert to fraction form
   80,158.50/173,164.50 = 173,164.50/x
3. Step 3: Cross multiply
   80,158.50x = 173,164.50 × 173,164.50
4. Step 4: Simplify right side
   80,158.50x = 29,985,944,060.25
5. Step 5: Solve for x
   x = 29,985,944,060.25/80,158.50
6. Step 6: Final answer
   x = 374,083.15