Finding the Third Proportional to 5,039.75 and 10,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,039.75 : 10,808.50 = 10,808.50 : x
2. Step 2: Convert to fraction form
   5,039.75/10,808.50 = 10,808.50/x
3. Step 3: Cross multiply
   5,039.75x = 10,808.50 × 10,808.50
4. Step 4: Simplify right side
   5,039.75x = 116,823,672.25
5. Step 5: Solve for x
   x = 116,823,672.25/5,039.75
6. Step 6: Final answer
   x = 23,180.45