Finding the Third Proportional to 19,480 and 21,976

Step by Step Solution

1. Step 1: Write the proportion equation
   19,480 : 21,976 = 21,976 : x
2. Step 2: Convert to fraction form
   19,480/21,976 = 21,976/x
3. Step 3: Cross multiply
   19,480x = 21,976 × 21,976
4. Step 4: Simplify right side
   19,480x = 482,944,576
5. Step 5: Solve for x
   x = 482,944,576/19,480
6. Step 6: Final answer
   x = 24,791.82