Finding the Third Proportional to 1,819.97 and 3,912.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819.97 : 3,912.05 = 3,912.05 : x
2. Step 2: Convert to fraction form
   1,819.97/3,912.05 = 3,912.05/x
3. Step 3: Cross multiply
   1,819.97x = 3,912.05 × 3,912.05
4. Step 4: Simplify right side
   1,819.97x = 15,304,110.75
5. Step 5: Solve for x
   x = 15,304,110.75/1,819.97
6. Step 6: Final answer
   x = 8,409.00