Finding the Third Proportional to 28,556 and 41,990

Step by Step Solution

1. Step 1: Write the proportion equation
   28,556 : 41,990 = 41,990 : x
2. Step 2: Convert to fraction form
   28,556/41,990 = 41,990/x
3. Step 3: Cross multiply
   28,556x = 41,990 × 41,990
4. Step 4: Simplify right side
   28,556x = 1,763,160,100
5. Step 5: Solve for x
   x = 1,763,160,100/28,556
6. Step 6: Final answer
   x = 61,743.95