Finding the Third Proportional to 12,396.38 and 19,141.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,396.38 : 19,141.31 = 19,141.31 : x
2. Step 2: Convert to fraction form
   12,396.38/19,141.31 = 19,141.31/x
3. Step 3: Cross multiply
   12,396.38x = 19,141.31 × 19,141.31
4. Step 4: Simplify right side
   12,396.38x = 366,389,844.22
5. Step 5: Solve for x
   x = 366,389,844.22/12,396.38
6. Step 6: Final answer
   x = 29,556.21