Finding the Third Proportional to 1,674.11 and 3,604.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,674.11 : 3,604.18 = 3,604.18 : x
2. Step 2: Convert to fraction form
   1,674.11/3,604.18 = 3,604.18/x
3. Step 3: Cross multiply
   1,674.11x = 3,604.18 × 3,604.18
4. Step 4: Simplify right side
   1,674.11x = 12,990,139.38
5. Step 5: Solve for x
   x = 12,990,139.38/1,674.11
6. Step 6: Final answer
   x = 7,759.45