Finding the Third Proportional to 196,204 and 423,494

Step by Step Solution

1. Step 1: Write the proportion equation
   196,204 : 423,494 = 423,494 : x
2. Step 2: Convert to fraction form
   196,204/423,494 = 423,494/x
3. Step 3: Cross multiply
   196,204x = 423,494 × 423,494
4. Step 4: Simplify right side
   196,204x = 179,347,168,036
5. Step 5: Solve for x
   x = 179,347,168,036/196,204
6. Step 6: Final answer
   x = 914,085.18