Finding the Third Proportional to 1,447.69 and 3,124.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.69 : 3,124.88 = 3,124.88 : x
2. Step 2: Convert to fraction form
   1,447.69/3,124.88 = 3,124.88/x
3. Step 3: Cross multiply
   1,447.69x = 3,124.88 × 3,124.88
4. Step 4: Simplify right side
   1,447.69x = 9,764,843.77
5. Step 5: Solve for x
   x = 9,764,843.77/1,447.69
6. Step 6: Final answer
   x = 6,745.13