Finding the Third Proportional to 1,087.88 and 2,369.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.88 : 2,369.63 = 2,369.63 : x
2. Step 2: Convert to fraction form
   1,087.88/2,369.63 = 2,369.63/x
3. Step 3: Cross multiply
   1,087.88x = 2,369.63 × 2,369.63
4. Step 4: Simplify right side
   1,087.88x = 5,615,122.64
5. Step 5: Solve for x
   x = 5,615,122.64/1,087.88
6. Step 6: Final answer
   x = 5,161.55