Finding the Third Proportional to 85.03 and 184.31

Step by Step Solution

1. Step 1: Write the proportion equation
   85.03 : 184.31 = 184.31 : x
2. Step 2: Convert to fraction form
   85.03/184.31 = 184.31/x
3. Step 3: Cross multiply
   85.03x = 184.31 × 184.31
4. Step 4: Simplify right side
   85.03x = 33,968.94
5. Step 5: Solve for x
   x = 33,968.94/85.03
6. Step 6: Final answer
   x = 399.47