Finding the Third Proportional to 13,556 and 28,590

Step by Step Solution

1. Step 1: Write the proportion equation
   13,556 : 28,590 = 28,590 : x
2. Step 2: Convert to fraction form
   13,556/28,590 = 28,590/x
3. Step 3: Cross multiply
   13,556x = 28,590 × 28,590
4. Step 4: Simplify right side
   13,556x = 817,388,100
5. Step 5: Solve for x
   x = 817,388,100/13,556
6. Step 6: Final answer
   x = 60,297.15