Finding the Third Proportional to 196.25 and 418.56

Step by Step Solution

1. Step 1: Write the proportion equation
   196.25 : 418.56 = 418.56 : x
2. Step 2: Convert to fraction form
   196.25/418.56 = 418.56/x
3. Step 3: Cross multiply
   196.25x = 418.56 × 418.56
4. Step 4: Simplify right side
   196.25x = 175,194.57
5. Step 5: Solve for x
   x = 175,194.57/196.25
6. Step 6: Final answer
   x = 892.71