Finding the Third Proportional to 10,818.56 and 23,621.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,818.56 : 23,621.63 = 23,621.63 : x
2. Step 2: Convert to fraction form
   10,818.56/23,621.63 = 23,621.63/x
3. Step 3: Cross multiply
   10,818.56x = 23,621.63 × 23,621.63
4. Step 4: Simplify right side
   10,818.56x = 557,981,167.64
5. Step 5: Solve for x
   x = 557,981,167.64/10,818.56
6. Step 6: Final answer
   x = 51,576.28