Finding the Third Proportional to 20,112 and 42,895

Step by Step Solution

1. Step 1: Write the proportion equation
   20,112 : 42,895 = 42,895 : x
2. Step 2: Convert to fraction form
   20,112/42,895 = 42,895/x
3. Step 3: Cross multiply
   20,112x = 42,895 × 42,895
4. Step 4: Simplify right side
   20,112x = 1,839,981,025
5. Step 5: Solve for x
   x = 1,839,981,025/20,112
6. Step 6: Final answer
   x = 91,486.73