Finding the Third Proportional to 21,162 and 43,604

Step by Step Solution

1. Step 1: Write the proportion equation
   21,162 : 43,604 = 43,604 : x
2. Step 2: Convert to fraction form
   21,162/43,604 = 43,604/x
3. Step 3: Cross multiply
   21,162x = 43,604 × 43,604
4. Step 4: Simplify right side
   21,162x = 1,901,308,816
5. Step 5: Solve for x
   x = 1,901,308,816/21,162
6. Step 6: Final answer
   x = 89,845.42