Finding the Third Proportional to 2,570.50 and 5,531

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.50 : 5,531 = 5,531 : x
2. Step 2: Convert to fraction form
   2,570.50/5,531 = 5,531/x
3. Step 3: Cross multiply
   2,570.50x = 5,531 × 5,531
4. Step 4: Simplify right side
   2,570.50x = 30,591,961
5. Step 5: Solve for x
   x = 30,591,961/2,570.50
6. Step 6: Final answer
   x = 11,901.17