Finding the Third Proportional to 2,190.75 and 3,528.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.75 : 3,528.38 = 3,528.38 : x
2. Step 2: Convert to fraction form
   2,190.75/3,528.38 = 3,528.38/x
3. Step 3: Cross multiply
   2,190.75x = 3,528.38 × 3,528.38
4. Step 4: Simplify right side
   2,190.75x = 12,449,430.14
5. Step 5: Solve for x
   x = 12,449,430.14/2,190.75
6. Step 6: Final answer
   x = 5,682.73