Finding the Third Proportional to 1,812.06 and 3,974.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812.06 : 3,974.38 = 3,974.38 : x
2. Step 2: Convert to fraction form
   1,812.06/3,974.38 = 3,974.38/x
3. Step 3: Cross multiply
   1,812.06x = 3,974.38 × 3,974.38
4. Step 4: Simplify right side
   1,812.06x = 15,795,687.69
5. Step 5: Solve for x
   x = 15,795,687.69/1,812.06
6. Step 6: Final answer
   x = 8,716.99