Finding the Third Proportional to 2,530.36 and 5,558.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.36 : 5,558.91 = 5,558.91 : x
2. Step 2: Convert to fraction form
   2,530.36/5,558.91 = 5,558.91/x
3. Step 3: Cross multiply
   2,530.36x = 5,558.91 × 5,558.91
4. Step 4: Simplify right side
   2,530.36x = 30,901,438.70
5. Step 5: Solve for x
   x = 30,901,438.70/2,530.36
6. Step 6: Final answer
   x = 12,212.27