Finding the Third Proportional to 20,616 and 28,004

Step by Step Solution

1. Step 1: Write the proportion equation
   20,616 : 28,004 = 28,004 : x
2. Step 2: Convert to fraction form
   20,616/28,004 = 28,004/x
3. Step 3: Cross multiply
   20,616x = 28,004 × 28,004
4. Step 4: Simplify right side
   20,616x = 784,224,016
5. Step 5: Solve for x
   x = 784,224,016/20,616
6. Step 6: Final answer
   x = 38,039.58