Finding the Third Proportional to 90,453 and 196,467

Step by Step Solution

1. Step 1: Write the proportion equation
   90,453 : 196,467 = 196,467 : x
2. Step 2: Convert to fraction form
   90,453/196,467 = 196,467/x
3. Step 3: Cross multiply
   90,453x = 196,467 × 196,467
4. Step 4: Simplify right side
   90,453x = 38,599,282,089
5. Step 5: Solve for x
   x = 38,599,282,089/90,453
6. Step 6: Final answer
   x = 426,733.02