Finding the Third Proportional to 1,980 and 2,662

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980 : 2,662 = 2,662 : x
2. Step 2: Convert to fraction form
   1,980/2,662 = 2,662/x
3. Step 3: Cross multiply
   1,980x = 2,662 × 2,662
4. Step 4: Simplify right side
   1,980x = 7,086,244
5. Step 5: Solve for x
   x = 7,086,244/1,980
6. Step 6: Final answer
   x = 3,578.91