Finding the Third Proportional to 127,136.25 and 196,981.88

Step by Step Solution

1. Step 1: Write the proportion equation
   127,136.25 : 196,981.88 = 196,981.88 : x
2. Step 2: Convert to fraction form
   127,136.25/196,981.88 = 196,981.88/x
3. Step 3: Cross multiply
   127,136.25x = 196,981.88 × 196,981.88
4. Step 4: Simplify right side
   127,136.25x = 38,801,859,078.52
5. Step 5: Solve for x
   x = 38,801,859,078.52/127,136.25
6. Step 6: Final answer
   x = 305,199.02