Finding the Third Proportional to 3,559.50 and 7,812

Step by Step Solution

1. Step 1: Write the proportion equation
   3,559.50 : 7,812 = 7,812 : x
2. Step 2: Convert to fraction form
   3,559.50/7,812 = 7,812/x
3. Step 3: Cross multiply
   3,559.50x = 7,812 × 7,812
4. Step 4: Simplify right side
   3,559.50x = 61,027,344
5. Step 5: Solve for x
   x = 61,027,344/3,559.50
6. Step 6: Final answer
   x = 17,144.92