Finding the Third Proportional to 13,422.38 and 19,644.19

Step by Step Solution

1. Step 1: Write the proportion equation
   13,422.38 : 19,644.19 = 19,644.19 : x
2. Step 2: Convert to fraction form
   13,422.38/19,644.19 = 19,644.19/x
3. Step 3: Cross multiply
   13,422.38x = 19,644.19 × 19,644.19
4. Step 4: Simplify right side
   13,422.38x = 385,894,102.54
5. Step 5: Solve for x
   x = 385,894,102.54/13,422.38
6. Step 6: Final answer
   x = 28,750.06