Finding the Third Proportional to 91,671.75 and 189,054

Step by Step Solution

1. Step 1: Write the proportion equation
   91,671.75 : 189,054 = 189,054 : x
2. Step 2: Convert to fraction form
   91,671.75/189,054 = 189,054/x
3. Step 3: Cross multiply
   91,671.75x = 189,054 × 189,054
4. Step 4: Simplify right side
   91,671.75x = 35,741,414,916
5. Step 5: Solve for x
   x = 35,741,414,916/91,671.75
6. Step 6: Final answer
   x = 389,884.72