Finding the Third Proportional to 9,142.50 and 20,031

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142.50 : 20,031 = 20,031 : x
2. Step 2: Convert to fraction form
   9,142.50/20,031 = 20,031/x
3. Step 3: Cross multiply
   9,142.50x = 20,031 × 20,031
4. Step 4: Simplify right side
   9,142.50x = 401,240,961
5. Step 5: Solve for x
   x = 401,240,961/9,142.50
6. Step 6: Final answer
   x = 43,887.44