Finding the Third Proportional to 196,920 and 401,063

Step by Step Solution

1. Step 1: Write the proportion equation
   196,920 : 401,063 = 401,063 : x
2. Step 2: Convert to fraction form
   196,920/401,063 = 401,063/x
3. Step 3: Cross multiply
   196,920x = 401,063 × 401,063
4. Step 4: Simplify right side
   196,920x = 160,851,529,969
5. Step 5: Solve for x
   x = 160,851,529,969/196,920
6. Step 6: Final answer
   x = 816,836.94