Finding the Third Proportional to 131,680 and 188,170

Step by Step Solution

1. Step 1: Write the proportion equation
   131,680 : 188,170 = 188,170 : x
2. Step 2: Convert to fraction form
   131,680/188,170 = 188,170/x
3. Step 3: Cross multiply
   131,680x = 188,170 × 188,170
4. Step 4: Simplify right side
   131,680x = 35,407,948,900
5. Step 5: Solve for x
   x = 35,407,948,900/131,680
6. Step 6: Final answer
   x = 268,893.90