Finding the Third Proportional to 1,659.50 and 3,545

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.50 : 3,545 = 3,545 : x
2. Step 2: Convert to fraction form
   1,659.50/3,545 = 3,545/x
3. Step 3: Cross multiply
   1,659.50x = 3,545 × 3,545
4. Step 4: Simplify right side
   1,659.50x = 12,567,025
5. Step 5: Solve for x
   x = 12,567,025/1,659.50
6. Step 6: Final answer
   x = 7,572.78