Finding the Third Proportional to 1,719.56 and 3,543.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.56 : 3,543.75 = 3,543.75 : x
2. Step 2: Convert to fraction form
   1,719.56/3,543.75 = 3,543.75/x
3. Step 3: Cross multiply
   1,719.56x = 3,543.75 × 3,543.75
4. Step 4: Simplify right side
   1,719.56x = 12,558,164.06
5. Step 5: Solve for x
   x = 12,558,164.06/1,719.56
6. Step 6: Final answer
   x = 7,303.12