Finding the Third Proportional to 21,428 and 32,956

Step by Step Solution

1. Step 1: Write the proportion equation
   21,428 : 32,956 = 32,956 : x
2. Step 2: Convert to fraction form
   21,428/32,956 = 32,956/x
3. Step 3: Cross multiply
   21,428x = 32,956 × 32,956
4. Step 4: Simplify right side
   21,428x = 1,086,097,936
5. Step 5: Solve for x
   x = 1,086,097,936/21,428
6. Step 6: Final answer
   x = 50,685.92