Finding the Third Proportional to 131,847 and 209,626.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,847 : 209,626.50 = 209,626.50 : x
2. Step 2: Convert to fraction form
   131,847/209,626.50 = 209,626.50/x
3. Step 3: Cross multiply
   131,847x = 209,626.50 × 209,626.50
4. Step 4: Simplify right side
   131,847x = 43,943,269,502.25
5. Step 5: Solve for x
   x = 43,943,269,502.25/131,847
6. Step 6: Final answer
   x = 333,289.87