Finding the Third Proportional to 21,081 and 45,881

Step by Step Solution

1. Step 1: Write the proportion equation
   21,081 : 45,881 = 45,881 : x
2. Step 2: Convert to fraction form
   21,081/45,881 = 45,881/x
3. Step 3: Cross multiply
   21,081x = 45,881 × 45,881
4. Step 4: Simplify right side
   21,081x = 2,105,066,161
5. Step 5: Solve for x
   x = 2,105,066,161/21,081
6. Step 6: Final answer
   x = 99,856.09