Finding the Third Proportional to 13,663.69 and 20,601.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,663.69 : 20,601.84 = 20,601.84 : x
2. Step 2: Convert to fraction form
   13,663.69/20,601.84 = 20,601.84/x
3. Step 3: Cross multiply
   13,663.69x = 20,601.84 × 20,601.84
4. Step 4: Simplify right side
   13,663.69x = 424,435,965.90
5. Step 5: Solve for x
   x = 424,435,965.90/13,663.69
6. Step 6: Final answer
   x = 31,063.06