Finding the Third Proportional to 12,636.75 and 19,481.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,636.75 : 19,481.63 = 19,481.63 : x
2. Step 2: Convert to fraction form
   12,636.75/19,481.63 = 19,481.63/x
3. Step 3: Cross multiply
   12,636.75x = 19,481.63 × 19,481.63
4. Step 4: Simplify right side
   12,636.75x = 379,533,712.64
5. Step 5: Solve for x
   x = 379,533,712.64/12,636.75
6. Step 6: Final answer
   x = 30,034.12