Finding the Third Proportional to 80,500.50 and 118,288.69

Step by Step Solution

1. Step 1: Write the proportion equation
   80,500.50 : 118,288.69 = 118,288.69 : x
2. Step 2: Convert to fraction form
   80,500.50/118,288.69 = 118,288.69/x
3. Step 3: Cross multiply
   80,500.50x = 118,288.69 × 118,288.69
4. Step 4: Simplify right side
   80,500.50x = 13,992,213,590.47
5. Step 5: Solve for x
   x = 13,992,213,590.47/80,500.50
6. Step 6: Final answer
   x = 173,815.24