Finding the Third Proportional to 12,828 and 19,056

Step by Step Solution

1. Step 1: Write the proportion equation
   12,828 : 19,056 = 19,056 : x
2. Step 2: Convert to fraction form
   12,828/19,056 = 19,056/x
3. Step 3: Cross multiply
   12,828x = 19,056 × 19,056
4. Step 4: Simplify right side
   12,828x = 363,131,136
5. Step 5: Solve for x
   x = 363,131,136/12,828
6. Step 6: Final answer
   x = 28,307.70