Finding the Third Proportional to 71,031 and 144,510

Step by Step Solution

1. Step 1: Write the proportion equation
   71,031 : 144,510 = 144,510 : x
2. Step 2: Convert to fraction form
   71,031/144,510 = 144,510/x
3. Step 3: Cross multiply
   71,031x = 144,510 × 144,510
4. Step 4: Simplify right side
   71,031x = 20,883,140,100
5. Step 5: Solve for x
   x = 20,883,140,100/71,031
6. Step 6: Final answer
   x = 294,000.37