Finding the Third Proportional to 12,874.22 and 19,923.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,874.22 : 19,923.89 = 19,923.89 : x
2. Step 2: Convert to fraction form
   12,874.22/19,923.89 = 19,923.89/x
3. Step 3: Cross multiply
   12,874.22x = 19,923.89 × 19,923.89
4. Step 4: Simplify right side
   12,874.22x = 396,961,417.64
5. Step 5: Solve for x
   x = 396,961,417.64/12,874.22
6. Step 6: Final answer
   x = 30,833.83