Finding the Third Proportional to 651 and 1,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   651 : 1,105.50 = 1,105.50 : x
2. Step 2: Convert to fraction form
   651/1,105.50 = 1,105.50/x
3. Step 3: Cross multiply
   651x = 1,105.50 × 1,105.50
4. Step 4: Simplify right side
   651x = 1,222,130.25
5. Step 5: Solve for x
   x = 1,222,130.25/651
6. Step 6: Final answer
   x = 1,877.31