Finding the Third Proportional to 2,196.56 and 3,513.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.56 : 3,513.19 = 3,513.19 : x
2. Step 2: Convert to fraction form
   2,196.56/3,513.19 = 3,513.19/x
3. Step 3: Cross multiply
   2,196.56x = 3,513.19 × 3,513.19
4. Step 4: Simplify right side
   2,196.56x = 12,342,486.41
5. Step 5: Solve for x
   x = 12,342,486.41/2,196.56
6. Step 6: Final answer
   x = 5,619.00