Finding the Third Proportional to 2,608.45 and 5,624.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.45 : 5,624.12 = 5,624.12 : x
2. Step 2: Convert to fraction form
   2,608.45/5,624.12 = 5,624.12/x
3. Step 3: Cross multiply
   2,608.45x = 5,624.12 × 5,624.12
4. Step 4: Simplify right side
   2,608.45x = 31,630,738.08
5. Step 5: Solve for x
   x = 31,630,738.08/2,608.45
6. Step 6: Final answer
   x = 12,126.24