Finding the Third Proportional to 13,405.50 and 28,544.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,405.50 : 28,544.63 = 28,544.63 : x
2. Step 2: Convert to fraction form
   13,405.50/28,544.63 = 28,544.63/x
3. Step 3: Cross multiply
   13,405.50x = 28,544.63 × 28,544.63
4. Step 4: Simplify right side
   13,405.50x = 814,795,616.39
5. Step 5: Solve for x
   x = 814,795,616.39/13,405.50
6. Step 6: Final answer
   x = 60,780.70