Finding the Third Proportional to 21,629 and 45,805

Step by Step Solution

1. Step 1: Write the proportion equation
   21,629 : 45,805 = 45,805 : x
2. Step 2: Convert to fraction form
   21,629/45,805 = 45,805/x
3. Step 3: Cross multiply
   21,629x = 45,805 × 45,805
4. Step 4: Simplify right side
   21,629x = 2,098,098,025
5. Step 5: Solve for x
   x = 2,098,098,025/21,629
6. Step 6: Final answer
   x = 97,003.93