Finding the Third Proportional to 90,162 and 193,612

Step by Step Solution

1. Step 1: Write the proportion equation
   90,162 : 193,612 = 193,612 : x
2. Step 2: Convert to fraction form
   90,162/193,612 = 193,612/x
3. Step 3: Cross multiply
   90,162x = 193,612 × 193,612
4. Step 4: Simplify right side
   90,162x = 37,485,606,544
5. Step 5: Solve for x
   x = 37,485,606,544/90,162
6. Step 6: Final answer
   x = 415,758.37