Finding the Third Proportional to 21,028 and 43,244

Step by Step Solution

1. Step 1: Write the proportion equation
   21,028 : 43,244 = 43,244 : x
2. Step 2: Convert to fraction form
   21,028/43,244 = 43,244/x
3. Step 3: Cross multiply
   21,028x = 43,244 × 43,244
4. Step 4: Simplify right side
   21,028x = 1,870,043,536
5. Step 5: Solve for x
   x = 1,870,043,536/21,028
6. Step 6: Final answer
   x = 88,931.12