Finding the Third Proportional to 663.94 and 1,444.31

Step by Step Solution

1. Step 1: Write the proportion equation
   663.94 : 1,444.31 = 1,444.31 : x
2. Step 2: Convert to fraction form
   663.94/1,444.31 = 1,444.31/x
3. Step 3: Cross multiply
   663.94x = 1,444.31 × 1,444.31
4. Step 4: Simplify right side
   663.94x = 2,086,038.60
5. Step 5: Solve for x
   x = 2,086,038.60/663.94
6. Step 6: Final answer
   x = 3,141.92