Finding the Third Proportional to 196,998 and 435,468

Step by Step Solution

1. Step 1: Write the proportion equation
   196,998 : 435,468 = 435,468 : x
2. Step 2: Convert to fraction form
   196,998/435,468 = 435,468/x
3. Step 3: Cross multiply
   196,998x = 435,468 × 435,468
4. Step 4: Simplify right side
   196,998x = 189,632,379,024
5. Step 5: Solve for x
   x = 189,632,379,024/196,998
6. Step 6: Final answer
   x = 962,610.68