Finding the Third Proportional to 12,993.94 and 19,764.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,993.94 : 19,764.31 = 19,764.31 : x
2. Step 2: Convert to fraction form
   12,993.94/19,764.31 = 19,764.31/x
3. Step 3: Cross multiply
   12,993.94x = 19,764.31 × 19,764.31
4. Step 4: Simplify right side
   12,993.94x = 390,628,048.60
5. Step 5: Solve for x
   x = 390,628,048.60/12,993.94
6. Step 6: Final answer
   x = 30,062.33