Finding the Third Proportional to 628.17 and 1,357.59

Step by Step Solution

1. Step 1: Write the proportion equation
   628.17 : 1,357.59 = 1,357.59 : x
2. Step 2: Convert to fraction form
   628.17/1,357.59 = 1,357.59/x
3. Step 3: Cross multiply
   628.17x = 1,357.59 × 1,357.59
4. Step 4: Simplify right side
   628.17x = 1,843,060.79
5. Step 5: Solve for x
   x = 1,843,060.79/628.17
6. Step 6: Final answer
   x = 2,934.01