Finding the Third Proportional to 355.69 and 753.56

Step by Step Solution

1. Step 1: Write the proportion equation
   355.69 : 753.56 = 753.56 : x
2. Step 2: Convert to fraction form
   355.69/753.56 = 753.56/x
3. Step 3: Cross multiply
   355.69x = 753.56 × 753.56
4. Step 4: Simplify right side
   355.69x = 567,856.44
5. Step 5: Solve for x
   x = 567,856.44/355.69
6. Step 6: Final answer
   x = 1,596.50