Finding the Third Proportional to 13,292.86 and 20,216.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,292.86 : 20,216.46 = 20,216.46 : x
2. Step 2: Convert to fraction form
   13,292.86/20,216.46 = 20,216.46/x
3. Step 3: Cross multiply
   13,292.86x = 20,216.46 × 20,216.46
4. Step 4: Simplify right side
   13,292.86x = 408,705,292.84
5. Step 5: Solve for x
   x = 408,705,292.84/13,292.86
6. Step 6: Final answer
   x = 30,746.23