Finding the Third Proportional to 80,544 and 189,522

Step by Step Solution

1. Step 1: Write the proportion equation
   80,544 : 189,522 = 189,522 : x
2. Step 2: Convert to fraction form
   80,544/189,522 = 189,522/x
3. Step 3: Cross multiply
   80,544x = 189,522 × 189,522
4. Step 4: Simplify right side
   80,544x = 35,918,588,484
5. Step 5: Solve for x
   x = 35,918,588,484/80,544
6. Step 6: Final answer
   x = 445,949.90