Finding the Third Proportional to 21,546 and 28,956

Step by Step Solution

1. Step 1: Write the proportion equation
   21,546 : 28,956 = 28,956 : x
2. Step 2: Convert to fraction form
   21,546/28,956 = 28,956/x
3. Step 3: Cross multiply
   21,546x = 28,956 × 28,956
4. Step 4: Simplify right side
   21,546x = 838,449,936
5. Step 5: Solve for x
   x = 838,449,936/21,546
6. Step 6: Final answer
   x = 38,914.41