Finding the Third Proportional to 1,609.50 and 3,526.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609.50 : 3,526.50 = 3,526.50 : x
2. Step 2: Convert to fraction form
   1,609.50/3,526.50 = 3,526.50/x
3. Step 3: Cross multiply
   1,609.50x = 3,526.50 × 3,526.50
4. Step 4: Simplify right side
   1,609.50x = 12,436,202.25
5. Step 5: Solve for x
   x = 12,436,202.25/1,609.50
6. Step 6: Final answer
   x = 7,726.75