Finding the Third Proportional to 3,510.38 and 5,279.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,510.38 : 5,279.81 = 5,279.81 : x
2. Step 2: Convert to fraction form
   3,510.38/5,279.81 = 5,279.81/x
3. Step 3: Cross multiply
   3,510.38x = 5,279.81 × 5,279.81
4. Step 4: Simplify right side
   3,510.38x = 27,876,420.04
5. Step 5: Solve for x
   x = 27,876,420.04/3,510.38
6. Step 6: Final answer
   x = 7,941.15