Finding the Third Proportional to 21,754 and 28,924

Step by Step Solution

1. Step 1: Write the proportion equation
   21,754 : 28,924 = 28,924 : x
2. Step 2: Convert to fraction form
   21,754/28,924 = 28,924/x
3. Step 3: Cross multiply
   21,754x = 28,924 × 28,924
4. Step 4: Simplify right side
   21,754x = 836,597,776
5. Step 5: Solve for x
   x = 836,597,776/21,754
6. Step 6: Final answer
   x = 38,457.19