Finding the Third Proportional to 1,808.06 and 3,919.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.06 : 3,919.69 = 3,919.69 : x
2. Step 2: Convert to fraction form
   1,808.06/3,919.69 = 3,919.69/x
3. Step 3: Cross multiply
   1,808.06x = 3,919.69 × 3,919.69
4. Step 4: Simplify right side
   1,808.06x = 15,363,950.10
5. Step 5: Solve for x
   x = 15,363,950.10/1,808.06
6. Step 6: Final answer
   x = 8,497.47