Finding the Third Proportional to 19,831 and 42,929

Step by Step Solution

1. Step 1: Write the proportion equation
   19,831 : 42,929 = 42,929 : x
2. Step 2: Convert to fraction form
   19,831/42,929 = 42,929/x
3. Step 3: Cross multiply
   19,831x = 42,929 × 42,929
4. Step 4: Simplify right side
   19,831x = 1,842,899,041
5. Step 5: Solve for x
   x = 1,842,899,041/19,831
6. Step 6: Final answer
   x = 92,930.21