Finding the Third Proportional to 196,960 and 429,556

Step by Step Solution

1. Step 1: Write the proportion equation
   196,960 : 429,556 = 429,556 : x
2. Step 2: Convert to fraction form
   196,960/429,556 = 429,556/x
3. Step 3: Cross multiply
   196,960x = 429,556 × 429,556
4. Step 4: Simplify right side
   196,960x = 184,518,357,136
5. Step 5: Solve for x
   x = 184,518,357,136/196,960
6. Step 6: Final answer
   x = 936,831.63