Finding the Third Proportional to 2,479.50 and 5,435.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.50 : 5,435.25 = 5,435.25 : x
2. Step 2: Convert to fraction form
   2,479.50/5,435.25 = 5,435.25/x
3. Step 3: Cross multiply
   2,479.50x = 5,435.25 × 5,435.25
4. Step 4: Simplify right side
   2,479.50x = 29,541,942.56
5. Step 5: Solve for x
   x = 29,541,942.56/2,479.50
6. Step 6: Final answer
   x = 11,914.48