Finding the Third Proportional to 196.04 and 424.39

Step by Step Solution

1. Step 1: Write the proportion equation
   196.04 : 424.39 = 424.39 : x
2. Step 2: Convert to fraction form
   196.04/424.39 = 424.39/x
3. Step 3: Cross multiply
   196.04x = 424.39 × 424.39
4. Step 4: Simplify right side
   196.04x = 180,106.68
5. Step 5: Solve for x
   x = 180,106.68/196.04
6. Step 6: Final answer
   x = 918.71