Finding the Third Proportional to 194.59 and 425.72

Step by Step Solution

1. Step 1: Write the proportion equation
   194.59 : 425.72 = 425.72 : x
2. Step 2: Convert to fraction form
   194.59/425.72 = 425.72/x
3. Step 3: Cross multiply
   194.59x = 425.72 × 425.72
4. Step 4: Simplify right side
   194.59x = 181,241.44
5. Step 5: Solve for x
   x = 181,241.44/194.59
6. Step 6: Final answer
   x = 931.40