Finding the Third Proportional to 131,876 and 209,667

Step by Step Solution

1. Step 1: Write the proportion equation
   131,876 : 209,667 = 209,667 : x
2. Step 2: Convert to fraction form
   131,876/209,667 = 209,667/x
3. Step 3: Cross multiply
   131,876x = 209,667 × 209,667
4. Step 4: Simplify right side
   131,876x = 43,960,250,889
5. Step 5: Solve for x
   x = 43,960,250,889/131,876
6. Step 6: Final answer
   x = 333,345.35