Finding the Third Proportional to 129.31 and 184.31

Step by Step Solution

1. Step 1: Write the proportion equation
   129.31 : 184.31 = 184.31 : x
2. Step 2: Convert to fraction form
   129.31/184.31 = 184.31/x
3. Step 3: Cross multiply
   129.31x = 184.31 × 184.31
4. Step 4: Simplify right side
   129.31x = 33,971.10
5. Step 5: Solve for x
   x = 33,971.10/129.31
6. Step 6: Final answer
   x = 262.71