Finding the Third Proportional to 406.06 and 754.45

Step by Step Solution

1. Step 1: Write the proportion equation
   406.06 : 754.45 = 754.45 : x
2. Step 2: Convert to fraction form
   406.06/754.45 = 754.45/x
3. Step 3: Cross multiply
   406.06x = 754.45 × 754.45
4. Step 4: Simplify right side
   406.06x = 569,196.20
5. Step 5: Solve for x
   x = 569,196.20/406.06
6. Step 6: Final answer
   x = 1,401.76