Finding the Third Proportional to 1,980 and 3,022.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980 : 3,022.88 = 3,022.88 : x
2. Step 2: Convert to fraction form
   1,980/3,022.88 = 3,022.88/x
3. Step 3: Cross multiply
   1,980x = 3,022.88 × 3,022.88
4. Step 4: Simplify right side
   1,980x = 9,137,773.27
5. Step 5: Solve for x
   x = 9,137,773.27/1,980
6. Step 6: Final answer
   x = 4,615.04