Finding the Third Proportional to 117.94 and 253.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117.94 : 253.31 = 253.31 : x
2. Step 2: Convert to fraction form
   117.94/253.31 = 253.31/x
3. Step 3: Cross multiply
   117.94x = 253.31 × 253.31
4. Step 4: Simplify right side
   117.94x = 64,167.22
5. Step 5: Solve for x
   x = 64,167.22/117.94
6. Step 6: Final answer
   x = 544.08