Finding the Third Proportional to 196,757 and 434,860

Step by Step Solution

1. Step 1: Write the proportion equation
   196,757 : 434,860 = 434,860 : x
2. Step 2: Convert to fraction form
   196,757/434,860 = 434,860/x
3. Step 3: Cross multiply
   196,757x = 434,860 × 434,860
4. Step 4: Simplify right side
   196,757x = 189,103,219,600
5. Step 5: Solve for x
   x = 189,103,219,600/196,757
6. Step 6: Final answer
   x = 961,100.34