Finding the Third Proportional to 196,948 and 429,540

Step by Step Solution

1. Step 1: Write the proportion equation
   196,948 : 429,540 = 429,540 : x
2. Step 2: Convert to fraction form
   196,948/429,540 = 429,540/x
3. Step 3: Cross multiply
   196,948x = 429,540 × 429,540
4. Step 4: Simplify right side
   196,948x = 184,504,611,600
5. Step 5: Solve for x
   x = 184,504,611,600/196,948
6. Step 6: Final answer
   x = 936,818.91