Finding the Third Proportional to 14,004 and 21,640

Step by Step Solution

1. Step 1: Write the proportion equation
   14,004 : 21,640 = 21,640 : x
2. Step 2: Convert to fraction form
   14,004/21,640 = 21,640/x
3. Step 3: Cross multiply
   14,004x = 21,640 × 21,640
4. Step 4: Simplify right side
   14,004x = 468,289,600
5. Step 5: Solve for x
   x = 468,289,600/14,004
6. Step 6: Final answer
   x = 33,439.70