Finding the Third Proportional to 302.06 and 484.31

Step by Step Solution

1. Step 1: Write the proportion equation
   302.06 : 484.31 = 484.31 : x
2. Step 2: Convert to fraction form
   302.06/484.31 = 484.31/x
3. Step 3: Cross multiply
   302.06x = 484.31 × 484.31
4. Step 4: Simplify right side
   302.06x = 234,558.60
5. Step 5: Solve for x
   x = 234,558.60/302.06
6. Step 6: Final answer
   x = 776.52