Finding the Third Proportional to 5,627.81 and 12,121.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,627.81 : 12,121.31 = 12,121.31 : x
2. Step 2: Convert to fraction form
   5,627.81/12,121.31 = 12,121.31/x
3. Step 3: Cross multiply
   5,627.81x = 12,121.31 × 12,121.31
4. Step 4: Simplify right side
   5,627.81x = 146,926,216.72
5. Step 5: Solve for x
   x = 146,926,216.72/5,627.81
6. Step 6: Final answer
   x = 26,107.16