Finding the Third Proportional to 333,994 and 679,654

Step by Step Solution

1. Step 1: Write the proportion equation
   333,994 : 679,654 = 679,654 : x
2. Step 2: Convert to fraction form
   333,994/679,654 = 679,654/x
3. Step 3: Cross multiply
   333,994x = 679,654 × 679,654
4. Step 4: Simplify right side
   333,994x = 461,929,559,716
5. Step 5: Solve for x
   x = 461,929,559,716/333,994
6. Step 6: Final answer
   x = 1,383,047.48