Finding the Third Proportional to 2,890.69 and 7,085.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,890.69 : 7,085.81 = 7,085.81 : x
2. Step 2: Convert to fraction form
   2,890.69/7,085.81 = 7,085.81/x
3. Step 3: Cross multiply
   2,890.69x = 7,085.81 × 7,085.81
4. Step 4: Simplify right side
   2,890.69x = 50,208,738.79
5. Step 5: Solve for x
   x = 50,208,738.79/2,890.69
6. Step 6: Final answer
   x = 17,369.13