Finding the Third Proportional to 1,238.25 and 1,650.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238.25 : 1,650.50 = 1,650.50 : x
2. Step 2: Convert to fraction form
   1,238.25/1,650.50 = 1,650.50/x
3. Step 3: Cross multiply
   1,238.25x = 1,650.50 × 1,650.50
4. Step 4: Simplify right side
   1,238.25x = 2,724,150.25
5. Step 5: Solve for x
   x = 2,724,150.25/1,238.25
6. Step 6: Final answer
   x = 2,200.00