Finding the Third Proportional to 80,604 and 189,592

Step by Step Solution

1. Step 1: Write the proportion equation
   80,604 : 189,592 = 189,592 : x
2. Step 2: Convert to fraction form
   80,604/189,592 = 189,592/x
3. Step 3: Cross multiply
   80,604x = 189,592 × 189,592
4. Step 4: Simplify right side
   80,604x = 35,945,126,464
5. Step 5: Solve for x
   x = 35,945,126,464/80,604
6. Step 6: Final answer
   x = 445,947.18