Finding the Third Proportional to 5,320.69 and 12,367.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,320.69 : 12,367.69 = 12,367.69 : x
2. Step 2: Convert to fraction form
   5,320.69/12,367.69 = 12,367.69/x
3. Step 3: Cross multiply
   5,320.69x = 12,367.69 × 12,367.69
4. Step 4: Simplify right side
   5,320.69x = 152,959,694.10
5. Step 5: Solve for x
   x = 152,959,694.10/5,320.69
6. Step 6: Final answer
   x = 28,748.11