Finding the Third Proportional to 1,284 and 3,030

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284 : 3,030 = 3,030 : x
2. Step 2: Convert to fraction form
   1,284/3,030 = 3,030/x
3. Step 3: Cross multiply
   1,284x = 3,030 × 3,030
4. Step 4: Simplify right side
   1,284x = 9,180,900
5. Step 5: Solve for x
   x = 9,180,900/1,284
6. Step 6: Final answer
   x = 7,150.23