Finding the Third Proportional to 15,720 and 37,056

Step by Step Solution

1. Step 1: Write the proportion equation
   15,720 : 37,056 = 37,056 : x
2. Step 2: Convert to fraction form
   15,720/37,056 = 37,056/x
3. Step 3: Cross multiply
   15,720x = 37,056 × 37,056
4. Step 4: Simplify right side
   15,720x = 1,373,147,136
5. Step 5: Solve for x
   x = 1,373,147,136/15,720
6. Step 6: Final answer
   x = 87,350.33