Finding the Third Proportional to 650.50 and 1,423

Step by Step Solution

1. Step 1: Write the proportion equation
   650.50 : 1,423 = 1,423 : x
2. Step 2: Convert to fraction form
   650.50/1,423 = 1,423/x
3. Step 3: Cross multiply
   650.50x = 1,423 × 1,423
4. Step 4: Simplify right side
   650.50x = 2,024,929
5. Step 5: Solve for x
   x = 2,024,929/650.50
6. Step 6: Final answer
   x = 3,112.88