Finding the Third Proportional to 28,728 and 41,978.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,728 : 41,978.25 = 41,978.25 : x
2. Step 2: Convert to fraction form
   28,728/41,978.25 = 41,978.25/x
3. Step 3: Cross multiply
   28,728x = 41,978.25 × 41,978.25
4. Step 4: Simplify right side
   28,728x = 1,762,173,473.06
5. Step 5: Solve for x
   x = 1,762,173,473.06/28,728
6. Step 6: Final answer
   x = 61,339.93