Finding the Third Proportional to 80,940 and 189,049

Step by Step Solution

1. Step 1: Write the proportion equation
   80,940 : 189,049 = 189,049 : x
2. Step 2: Convert to fraction form
   80,940/189,049 = 189,049/x
3. Step 3: Cross multiply
   80,940x = 189,049 × 189,049
4. Step 4: Simplify right side
   80,940x = 35,739,524,401
5. Step 5: Solve for x
   x = 35,739,524,401/80,940
6. Step 6: Final answer
   x = 441,555.77