Finding the Third Proportional to 13,582.69 and 15,877.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,582.69 : 15,877.69 = 15,877.69 : x
2. Step 2: Convert to fraction form
   13,582.69/15,877.69 = 15,877.69/x
3. Step 3: Cross multiply
   13,582.69x = 15,877.69 × 15,877.69
4. Step 4: Simplify right side
   13,582.69x = 252,100,960.35
5. Step 5: Solve for x
   x = 252,100,960.35/13,582.69
6. Step 6: Final answer
   x = 18,560.46