Finding the Third Proportional to 92,453 and 189,287

Step by Step Solution

1. Step 1: Write the proportion equation
   92,453 : 189,287 = 189,287 : x
2. Step 2: Convert to fraction form
   92,453/189,287 = 189,287/x
3. Step 3: Cross multiply
   92,453x = 189,287 × 189,287
4. Step 4: Simplify right side
   92,453x = 35,829,568,369
5. Step 5: Solve for x
   x = 35,829,568,369/92,453
6. Step 6: Final answer
   x = 387,543.60