Finding the Third Proportional to 21,728 and 45,088

Step by Step Solution

1. Step 1: Write the proportion equation
   21,728 : 45,088 = 45,088 : x
2. Step 2: Convert to fraction form
   21,728/45,088 = 45,088/x
3. Step 3: Cross multiply
   21,728x = 45,088 × 45,088
4. Step 4: Simplify right side
   21,728x = 2,032,927,744
5. Step 5: Solve for x
   x = 2,032,927,744/21,728
6. Step 6: Final answer
   x = 93,562.58