Finding the Third Proportional to 10,404 and 19,848

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404 : 19,848 = 19,848 : x
2. Step 2: Convert to fraction form
   10,404/19,848 = 19,848/x
3. Step 3: Cross multiply
   10,404x = 19,848 × 19,848
4. Step 4: Simplify right side
   10,404x = 393,943,104
5. Step 5: Solve for x
   x = 393,943,104/10,404
6. Step 6: Final answer
   x = 37,864.58