Finding the Third Proportional to 79,039 and 140,534

Step by Step Solution

1. Step 1: Write the proportion equation
   79,039 : 140,534 = 140,534 : x
2. Step 2: Convert to fraction form
   79,039/140,534 = 140,534/x
3. Step 3: Cross multiply
   79,039x = 140,534 × 140,534
4. Step 4: Simplify right side
   79,039x = 19,749,805,156
5. Step 5: Solve for x
   x = 19,749,805,156/79,039
6. Step 6: Final answer
   x = 249,874.18