Finding the Third Proportional to 510.25 and 1,087.25

Step by Step Solution

1. Step 1: Write the proportion equation
   510.25 : 1,087.25 = 1,087.25 : x
2. Step 2: Convert to fraction form
   510.25/1,087.25 = 1,087.25/x
3. Step 3: Cross multiply
   510.25x = 1,087.25 × 1,087.25
4. Step 4: Simplify right side
   510.25x = 1,182,112.56
5. Step 5: Solve for x
   x = 1,182,112.56/510.25
6. Step 6: Final answer
   x = 2,316.73