Finding the Third Proportional to 196,234 and 426,836

Step by Step Solution

1. Step 1: Write the proportion equation
   196,234 : 426,836 = 426,836 : x
2. Step 2: Convert to fraction form
   196,234/426,836 = 426,836/x
3. Step 3: Cross multiply
   196,234x = 426,836 × 426,836
4. Step 4: Simplify right side
   196,234x = 182,188,970,896
5. Step 5: Solve for x
   x = 182,188,970,896/196,234
6. Step 6: Final answer
   x = 928,427.14