Finding the Third Proportional to 12,797.37 and 19,665.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,797.37 : 19,665.91 = 19,665.91 : x
2. Step 2: Convert to fraction form
   12,797.37/19,665.91 = 19,665.91/x
3. Step 3: Cross multiply
   12,797.37x = 19,665.91 × 19,665.91
4. Step 4: Simplify right side
   12,797.37x = 386,748,175.91
5. Step 5: Solve for x
   x = 386,748,175.91/12,797.37
6. Step 6: Final answer
   x = 30,220.92