Finding the Third Proportional to 2,100 and 3,328

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100 : 3,328 = 3,328 : x
2. Step 2: Convert to fraction form
   2,100/3,328 = 3,328/x
3. Step 3: Cross multiply
   2,100x = 3,328 × 3,328
4. Step 4: Simplify right side
   2,100x = 11,075,584
5. Step 5: Solve for x
   x = 11,075,584/2,100
6. Step 6: Final answer
   x = 5,274.09