Finding the Third Proportional to 212,912 and 333,994

Step by Step Solution

1. Step 1: Write the proportion equation
   212,912 : 333,994 = 333,994 : x
2. Step 2: Convert to fraction form
   212,912/333,994 = 333,994/x
3. Step 3: Cross multiply
   212,912x = 333,994 × 333,994
4. Step 4: Simplify right side
   212,912x = 111,551,992,036
5. Step 5: Solve for x
   x = 111,551,992,036/212,912
6. Step 6: Final answer
   x = 523,934.73