Finding the Third Proportional to 636.50 and 1,341.50

Step by Step Solution

1. Step 1: Write the proportion equation
   636.50 : 1,341.50 = 1,341.50 : x
2. Step 2: Convert to fraction form
   636.50/1,341.50 = 1,341.50/x
3. Step 3: Cross multiply
   636.50x = 1,341.50 × 1,341.50
4. Step 4: Simplify right side
   636.50x = 1,799,622.25
5. Step 5: Solve for x
   x = 1,799,622.25/636.50
6. Step 6: Final answer
   x = 2,827.37