Finding the Third Proportional to 342,364 and 675,494

Step by Step Solution

1. Step 1: Write the proportion equation
   342,364 : 675,494 = 675,494 : x
2. Step 2: Convert to fraction form
   342,364/675,494 = 675,494/x
3. Step 3: Cross multiply
   342,364x = 675,494 × 675,494
4. Step 4: Simplify right side
   342,364x = 456,292,144,036
5. Step 5: Solve for x
   x = 456,292,144,036/342,364
6. Step 6: Final answer
   x = 1,332,769.05