Finding the Third Proportional to 212,094 and 311,012

Step by Step Solution

1. Step 1: Write the proportion equation
   212,094 : 311,012 = 311,012 : x
2. Step 2: Convert to fraction form
   212,094/311,012 = 311,012/x
3. Step 3: Cross multiply
   212,094x = 311,012 × 311,012
4. Step 4: Simplify right side
   212,094x = 96,728,464,144
5. Step 5: Solve for x
   x = 96,728,464,144/212,094
6. Step 6: Final answer
   x = 456,064.12