Finding the Third Proportional to 2,508.47 and 5,483.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.47 : 5,483.95 = 5,483.95 : x
2. Step 2: Convert to fraction form
   2,508.47/5,483.95 = 5,483.95/x
3. Step 3: Cross multiply
   2,508.47x = 5,483.95 × 5,483.95
4. Step 4: Simplify right side
   2,508.47x = 30,073,741.88
5. Step 5: Solve for x
   x = 30,073,741.88/2,508.47
6. Step 6: Final answer
   x = 11,988.88