Finding the Third Proportional to 90,012 and 196,975

Step by Step Solution

1. Step 1: Write the proportion equation
   90,012 : 196,975 = 196,975 : x
2. Step 2: Convert to fraction form
   90,012/196,975 = 196,975/x
3. Step 3: Cross multiply
   90,012x = 196,975 × 196,975
4. Step 4: Simplify right side
   90,012x = 38,799,150,625
5. Step 5: Solve for x
   x = 38,799,150,625/90,012
6. Step 6: Final answer
   x = 431,044.20