Finding the Third Proportional to 28,440 and 41,644

Step by Step Solution

1. Step 1: Write the proportion equation
   28,440 : 41,644 = 41,644 : x
2. Step 2: Convert to fraction form
   28,440/41,644 = 41,644/x
3. Step 3: Cross multiply
   28,440x = 41,644 × 41,644
4. Step 4: Simplify right side
   28,440x = 1,734,222,736
5. Step 5: Solve for x
   x = 1,734,222,736/28,440
6. Step 6: Final answer
   x = 60,978.30