Finding the Third Proportional to 12,200.63 and 19,576.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,200.63 : 19,576.69 = 19,576.69 : x
2. Step 2: Convert to fraction form
   12,200.63/19,576.69 = 19,576.69/x
3. Step 3: Cross multiply
   12,200.63x = 19,576.69 × 19,576.69
4. Step 4: Simplify right side
   12,200.63x = 383,246,693.47
5. Step 5: Solve for x
   x = 383,246,693.47/12,200.63
6. Step 6: Final answer
   x = 31,412.05