Finding the Third Proportional to 80,383.50 and 118,170

Step by Step Solution

1. Step 1: Write the proportion equation
   80,383.50 : 118,170 = 118,170 : x
2. Step 2: Convert to fraction form
   80,383.50/118,170 = 118,170/x
3. Step 3: Cross multiply
   80,383.50x = 118,170 × 118,170
4. Step 4: Simplify right side
   80,383.50x = 13,964,148,900
5. Step 5: Solve for x
   x = 13,964,148,900/80,383.50
6. Step 6: Final answer
   x = 173,719.10