Finding the Third Proportional to 1,636 and 3,538

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636 : 3,538 = 3,538 : x
2. Step 2: Convert to fraction form
   1,636/3,538 = 3,538/x
3. Step 3: Cross multiply
   1,636x = 3,538 × 3,538
4. Step 4: Simplify right side
   1,636x = 12,517,444
5. Step 5: Solve for x
   x = 12,517,444/1,636
6. Step 6: Final answer
   x = 7,651.25