Finding the Third Proportional to 184.38 and 394.88

Step by Step Solution

1. Step 1: Write the proportion equation
   184.38 : 394.88 = 394.88 : x
2. Step 2: Convert to fraction form
   184.38/394.88 = 394.88/x
3. Step 3: Cross multiply
   184.38x = 394.88 × 394.88
4. Step 4: Simplify right side
   184.38x = 155,926.27
5. Step 5: Solve for x
   x = 155,926.27/184.38
6. Step 6: Final answer
   x = 845.70