Finding the Third Proportional to 131,442 and 196,939.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,442 : 196,939.50 = 196,939.50 : x
2. Step 2: Convert to fraction form
   131,442/196,939.50 = 196,939.50/x
3. Step 3: Cross multiply
   131,442x = 196,939.50 × 196,939.50
4. Step 4: Simplify right side
   131,442x = 38,785,166,660.25
5. Step 5: Solve for x
   x = 38,785,166,660.25/131,442
6. Step 6: Final answer
   x = 295,074.38