Finding the Third Proportional to 131,865 and 209,650.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,865 : 209,650.50 = 209,650.50 : x
2. Step 2: Convert to fraction form
   131,865/209,650.50 = 209,650.50/x
3. Step 3: Cross multiply
   131,865x = 209,650.50 × 209,650.50
4. Step 4: Simplify right side
   131,865x = 43,953,332,150.25
5. Step 5: Solve for x
   x = 43,953,332,150.25/131,865
6. Step 6: Final answer
   x = 333,320.69