Finding the Third Proportional to 131,708 and 188,212

Step by Step Solution

1. Step 1: Write the proportion equation
   131,708 : 188,212 = 188,212 : x
2. Step 2: Convert to fraction form
   131,708/188,212 = 188,212/x
3. Step 3: Cross multiply
   131,708x = 188,212 × 188,212
4. Step 4: Simplify right side
   131,708x = 35,423,756,944
5. Step 5: Solve for x
   x = 35,423,756,944/131,708
6. Step 6: Final answer
   x = 268,956.76