Finding the Third Proportional to 13,389.75 and 19,128.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,389.75 : 19,128.38 = 19,128.38 : x
2. Step 2: Convert to fraction form
   13,389.75/19,128.38 = 19,128.38/x
3. Step 3: Cross multiply
   13,389.75x = 19,128.38 × 19,128.38
4. Step 4: Simplify right side
   13,389.75x = 365,894,730.14
5. Step 5: Solve for x
   x = 365,894,730.14/13,389.75
6. Step 6: Final answer
   x = 27,326.48