Finding the Third Proportional to 12,200.63 and 17,389.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,200.63 : 17,389.69 = 17,389.69 : x
2. Step 2: Convert to fraction form
   12,200.63/17,389.69 = 17,389.69/x
3. Step 3: Cross multiply
   12,200.63x = 17,389.69 × 17,389.69
4. Step 4: Simplify right side
   12,200.63x = 302,401,231.35
5. Step 5: Solve for x
   x = 302,401,231.35/12,200.63
6. Step 6: Final answer
   x = 24,785.72