Finding the Third Proportional to 21,738 and 28,713

Step by Step Solution

1. Step 1: Write the proportion equation
   21,738 : 28,713 = 28,713 : x
2. Step 2: Convert to fraction form
   21,738/28,713 = 28,713/x
3. Step 3: Cross multiply
   21,738x = 28,713 × 28,713
4. Step 4: Simplify right side
   21,738x = 824,436,369
5. Step 5: Solve for x
   x = 824,436,369/21,738
6. Step 6: Final answer
   x = 37,926.05