Finding the Third Proportional to 2,543.67 and 5,282.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.67 : 5,282.30 = 5,282.30 : x
2. Step 2: Convert to fraction form
   2,543.67/5,282.30 = 5,282.30/x
3. Step 3: Cross multiply
   2,543.67x = 5,282.30 × 5,282.30
4. Step 4: Simplify right side
   2,543.67x = 27,902,660.28
5. Step 5: Solve for x
   x = 27,902,660.28/2,543.67
6. Step 6: Final answer
   x = 10,969.44