Finding the Third Proportional to 5,690.53 and 12,031.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,690.53 : 12,031.31 = 12,031.31 : x
2. Step 2: Convert to fraction form
   5,690.53/12,031.31 = 12,031.31/x
3. Step 3: Cross multiply
   5,690.53x = 12,031.31 × 12,031.31
4. Step 4: Simplify right side
   5,690.53x = 144,752,480.47
5. Step 5: Solve for x
   x = 144,752,480.47/5,690.53
6. Step 6: Final answer
   x = 25,437.43