Finding the Third Proportional to 21,244 and 43,410

Step by Step Solution

1. Step 1: Write the proportion equation
   21,244 : 43,410 = 43,410 : x
2. Step 2: Convert to fraction form
   21,244/43,410 = 43,410/x
3. Step 3: Cross multiply
   21,244x = 43,410 × 43,410
4. Step 4: Simplify right side
   21,244x = 1,884,428,100
5. Step 5: Solve for x
   x = 1,884,428,100/21,244
6. Step 6: Final answer
   x = 88,704.02