Finding the Third Proportional to 17,112 and 19,056

Step by Step Solution

1. Step 1: Write the proportion equation
   17,112 : 19,056 = 19,056 : x
2. Step 2: Convert to fraction form
   17,112/19,056 = 19,056/x
3. Step 3: Cross multiply
   17,112x = 19,056 × 19,056
4. Step 4: Simplify right side
   17,112x = 363,131,136
5. Step 5: Solve for x
   x = 363,131,136/17,112
6. Step 6: Final answer
   x = 21,220.85