Finding the Third Proportional to 126,786.50 and 197,450

Step by Step Solution

1. Step 1: Write the proportion equation
   126,786.50 : 197,450 = 197,450 : x
2. Step 2: Convert to fraction form
   126,786.50/197,450 = 197,450/x
3. Step 3: Cross multiply
   126,786.50x = 197,450 × 197,450
4. Step 4: Simplify right side
   126,786.50x = 38,986,502,500
5. Step 5: Solve for x
   x = 38,986,502,500/126,786.50
6. Step 6: Final answer
   x = 307,497.27