Finding the Third Proportional to 13,067 and 19,722.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,067 : 19,722.50 = 19,722.50 : x
2. Step 2: Convert to fraction form
   13,067/19,722.50 = 19,722.50/x
3. Step 3: Cross multiply
   13,067x = 19,722.50 × 19,722.50
4. Step 4: Simplify right side
   13,067x = 388,977,006.25
5. Step 5: Solve for x
   x = 388,977,006.25/13,067
6. Step 6: Final answer
   x = 29,767.89