Finding the Third Proportional to 11,920 and 19,056

Step by Step Solution

1. Step 1: Write the proportion equation
   11,920 : 19,056 = 19,056 : x
2. Step 2: Convert to fraction form
   11,920/19,056 = 19,056/x
3. Step 3: Cross multiply
   11,920x = 19,056 × 19,056
4. Step 4: Simplify right side
   11,920x = 363,131,136
5. Step 5: Solve for x
   x = 363,131,136/11,920
6. Step 6: Final answer
   x = 30,464.02