Finding the Third Proportional to 2,321.16 and 3,543.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.16 : 3,543.75 = 3,543.75 : x
2. Step 2: Convert to fraction form
   2,321.16/3,543.75 = 3,543.75/x
3. Step 3: Cross multiply
   2,321.16x = 3,543.75 × 3,543.75
4. Step 4: Simplify right side
   2,321.16x = 12,558,164.06
5. Step 5: Solve for x
   x = 12,558,164.06/2,321.16
6. Step 6: Final answer
   x = 5,410.31