Finding the Third Proportional to 2,279.81 and 3,436.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.81 : 3,436.17 = 3,436.17 : x
2. Step 2: Convert to fraction form
   2,279.81/3,436.17 = 3,436.17/x
3. Step 3: Cross multiply
   2,279.81x = 3,436.17 × 3,436.17
4. Step 4: Simplify right side
   2,279.81x = 11,807,277.15
5. Step 5: Solve for x
   x = 11,807,277.15/2,279.81
6. Step 6: Final answer
   x = 5,179.06