Finding the Third Proportional to 21,746 and 28,724

Step by Step Solution

1. Step 1: Write the proportion equation
   21,746 : 28,724 = 28,724 : x
2. Step 2: Convert to fraction form
   21,746/28,724 = 28,724/x
3. Step 3: Cross multiply
   21,746x = 28,724 × 28,724
4. Step 4: Simplify right side
   21,746x = 825,068,176
5. Step 5: Solve for x
   x = 825,068,176/21,746
6. Step 6: Final answer
   x = 37,941.15