Finding the Third Proportional to 196,900 and 426,740

Step by Step Solution

1. Step 1: Write the proportion equation
   196,900 : 426,740 = 426,740 : x
2. Step 2: Convert to fraction form
   196,900/426,740 = 426,740/x
3. Step 3: Cross multiply
   196,900x = 426,740 × 426,740
4. Step 4: Simplify right side
   196,900x = 182,107,027,600
5. Step 5: Solve for x
   x = 182,107,027,600/196,900
6. Step 6: Final answer
   x = 924,870.63