Finding the Third Proportional to 3,664.50 and 7,590

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664.50 : 7,590 = 7,590 : x
2. Step 2: Convert to fraction form
   3,664.50/7,590 = 7,590/x
3. Step 3: Cross multiply
   3,664.50x = 7,590 × 7,590
4. Step 4: Simplify right side
   3,664.50x = 57,608,100
5. Step 5: Solve for x
   x = 57,608,100/3,664.50
6. Step 6: Final answer
   x = 15,720.59