Finding the Third Proportional to 13,339.31 and 19,320.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,339.31 : 19,320.38 = 19,320.38 : x
2. Step 2: Convert to fraction form
   13,339.31/19,320.38 = 19,320.38/x
3. Step 3: Cross multiply
   13,339.31x = 19,320.38 × 19,320.38
4. Step 4: Simplify right side
   13,339.31x = 373,276,890.14
5. Step 5: Solve for x
   x = 373,276,890.14/13,339.31
6. Step 6: Final answer
   x = 27,983.22