Finding the Third Proportional to 5,609.81 and 12,148.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,609.81 : 12,148.31 = 12,148.31 : x
2. Step 2: Convert to fraction form
   5,609.81/12,148.31 = 12,148.31/x
3. Step 3: Cross multiply
   5,609.81x = 12,148.31 × 12,148.31
4. Step 4: Simplify right side
   5,609.81x = 147,581,496.60
5. Step 5: Solve for x
   x = 147,581,496.60/5,609.81
6. Step 6: Final answer
   x = 26,307.74