Finding the Third Proportional to 2,386.50 and 5,180.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386.50 : 5,180.25 = 5,180.25 : x
2. Step 2: Convert to fraction form
   2,386.50/5,180.25 = 5,180.25/x
3. Step 3: Cross multiply
   2,386.50x = 5,180.25 × 5,180.25
4. Step 4: Simplify right side
   2,386.50x = 26,834,990.06
5. Step 5: Solve for x
   x = 26,834,990.06/2,386.50
6. Step 6: Final answer
   x = 11,244.50