Finding the Third Proportional to 91,179 and 189,606

Step by Step Solution

1. Step 1: Write the proportion equation
   91,179 : 189,606 = 189,606 : x
2. Step 2: Convert to fraction form
   91,179/189,606 = 189,606/x
3. Step 3: Cross multiply
   91,179x = 189,606 × 189,606
4. Step 4: Simplify right side
   91,179x = 35,950,435,236
5. Step 5: Solve for x
   x = 35,950,435,236/91,179
6. Step 6: Final answer
   x = 394,284.16