Finding the Third Proportional to 90,322 and 194,612

Step by Step Solution

1. Step 1: Write the proportion equation
   90,322 : 194,612 = 194,612 : x
2. Step 2: Convert to fraction form
   90,322/194,612 = 194,612/x
3. Step 3: Cross multiply
   90,322x = 194,612 × 194,612
4. Step 4: Simplify right side
   90,322x = 37,873,830,544
5. Step 5: Solve for x
   x = 37,873,830,544/90,322
6. Step 6: Final answer
   x = 419,320.11