Finding the Third Proportional to 2,124.56 and 4,959.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.56 : 4,959.56 = 4,959.56 : x
2. Step 2: Convert to fraction form
   2,124.56/4,959.56 = 4,959.56/x
3. Step 3: Cross multiply
   2,124.56x = 4,959.56 × 4,959.56
4. Step 4: Simplify right side
   2,124.56x = 24,597,260.19
5. Step 5: Solve for x
   x = 24,597,260.19/2,124.56
6. Step 6: Final answer
   x = 11,577.56