Finding the Third Proportional to 1,668.94 and 3,582.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668.94 : 3,582.56 = 3,582.56 : x
2. Step 2: Convert to fraction form
   1,668.94/3,582.56 = 3,582.56/x
3. Step 3: Cross multiply
   1,668.94x = 3,582.56 × 3,582.56
4. Step 4: Simplify right side
   1,668.94x = 12,834,754.07
5. Step 5: Solve for x
   x = 12,834,754.07/1,668.94
6. Step 6: Final answer
   x = 7,690.37