Finding the Third Proportional to 21,184 and 30,960

Step by Step Solution

1. Step 1: Write the proportion equation
   21,184 : 30,960 = 30,960 : x
2. Step 2: Convert to fraction form
   21,184/30,960 = 30,960/x
3. Step 3: Cross multiply
   21,184x = 30,960 × 30,960
4. Step 4: Simplify right side
   21,184x = 958,521,600
5. Step 5: Solve for x
   x = 958,521,600/21,184
6. Step 6: Final answer
   x = 45,247.43