Finding the Third Proportional to 2,445 and 5,435.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445 : 5,435.25 = 5,435.25 : x
2. Step 2: Convert to fraction form
   2,445/5,435.25 = 5,435.25/x
3. Step 3: Cross multiply
   2,445x = 5,435.25 × 5,435.25
4. Step 4: Simplify right side
   2,445x = 29,541,942.56
5. Step 5: Solve for x
   x = 29,541,942.56/2,445
6. Step 6: Final answer
   x = 12,082.59