Finding the Third Proportional to 10,392 and 18,132

Step by Step Solution

1. Step 1: Write the proportion equation
   10,392 : 18,132 = 18,132 : x
2. Step 2: Convert to fraction form
   10,392/18,132 = 18,132/x
3. Step 3: Cross multiply
   10,392x = 18,132 × 18,132
4. Step 4: Simplify right side
   10,392x = 328,769,424
5. Step 5: Solve for x
   x = 328,769,424/10,392
6. Step 6: Final answer
   x = 31,636.78