Finding the Third Proportional to 127,515.50 and 196,759.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,515.50 : 196,759.50 = 196,759.50 : x
2. Step 2: Convert to fraction form
   127,515.50/196,759.50 = 196,759.50/x
3. Step 3: Cross multiply
   127,515.50x = 196,759.50 × 196,759.50
4. Step 4: Simplify right side
   127,515.50x = 38,714,300,840.25
5. Step 5: Solve for x
   x = 38,714,300,840.25/127,515.50
6. Step 6: Final answer
   x = 303,604.67