Finding the Third Proportional to 19,112 and 40,816

Step by Step Solution

1. Step 1: Write the proportion equation
   19,112 : 40,816 = 40,816 : x
2. Step 2: Convert to fraction form
   19,112/40,816 = 40,816/x
3. Step 3: Cross multiply
   19,112x = 40,816 × 40,816
4. Step 4: Simplify right side
   19,112x = 1,665,945,856
5. Step 5: Solve for x
   x = 1,665,945,856/19,112
6. Step 6: Final answer
   x = 87,167.53