Finding the Third Proportional to 1,099 and 2,388.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099 : 2,388.50 = 2,388.50 : x
2. Step 2: Convert to fraction form
   1,099/2,388.50 = 2,388.50/x
3. Step 3: Cross multiply
   1,099x = 2,388.50 × 2,388.50
4. Step 4: Simplify right side
   1,099x = 5,704,932.25
5. Step 5: Solve for x
   x = 5,704,932.25/1,099
6. Step 6: Final answer
   x = 5,191.02