Finding the Third Proportional to 5,620.50 and 12,106.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,620.50 : 12,106.69 = 12,106.69 : x
2. Step 2: Convert to fraction form
   5,620.50/12,106.69 = 12,106.69/x
3. Step 3: Cross multiply
   5,620.50x = 12,106.69 × 12,106.69
4. Step 4: Simplify right side
   5,620.50x = 146,571,882.22
5. Step 5: Solve for x
   x = 146,571,882.22/5,620.50
6. Step 6: Final answer
   x = 26,078.09