Finding the Third Proportional to 7,101.42 and 12,031.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,101.42 : 12,031.03 = 12,031.03 : x
2. Step 2: Convert to fraction form
   7,101.42/12,031.03 = 12,031.03/x
3. Step 3: Cross multiply
   7,101.42x = 12,031.03 × 12,031.03
4. Step 4: Simplify right side
   7,101.42x = 144,745,712.94
5. Step 5: Solve for x
   x = 144,745,712.94/7,101.42
6. Step 6: Final answer
   x = 20,382.64