Finding the Third Proportional to 658.50 and 1,436.25

Step by Step Solution

1. Step 1: Write the proportion equation
   658.50 : 1,436.25 = 1,436.25 : x
2. Step 2: Convert to fraction form
   658.50/1,436.25 = 1,436.25/x
3. Step 3: Cross multiply
   658.50x = 1,436.25 × 1,436.25
4. Step 4: Simplify right side
   658.50x = 2,062,814.06
5. Step 5: Solve for x
   x = 2,062,814.06/658.50
6. Step 6: Final answer
   x = 3,132.60