Finding the Third Proportional to 2,385 and 5,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385 : 5,089.50 = 5,089.50 : x
2. Step 2: Convert to fraction form
   2,385/5,089.50 = 5,089.50/x
3. Step 3: Cross multiply
   2,385x = 5,089.50 × 5,089.50
4. Step 4: Simplify right side
   2,385x = 25,903,010.25
5. Step 5: Solve for x
   x = 25,903,010.25/2,385
6. Step 6: Final answer
   x = 10,860.80