Finding the Third Proportional to 2,087.81 and 4,446.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.81 : 4,446.56 = 4,446.56 : x
2. Step 2: Convert to fraction form
   2,087.81/4,446.56 = 4,446.56/x
3. Step 3: Cross multiply
   2,087.81x = 4,446.56 × 4,446.56
4. Step 4: Simplify right side
   2,087.81x = 19,771,918.07
5. Step 5: Solve for x
   x = 19,771,918.07/2,087.81
6. Step 6: Final answer
   x = 9,470.16