Finding the Third Proportional to 91,726 and 189,162

Step by Step Solution

1. Step 1: Write the proportion equation
   91,726 : 189,162 = 189,162 : x
2. Step 2: Convert to fraction form
   91,726/189,162 = 189,162/x
3. Step 3: Cross multiply
   91,726x = 189,162 × 189,162
4. Step 4: Simplify right side
   91,726x = 35,782,262,244
5. Step 5: Solve for x
   x = 35,782,262,244/91,726
6. Step 6: Final answer
   x = 390,099.45