Finding the Third Proportional to 212,868 and 467,208

Step by Step Solution

1. Step 1: Write the proportion equation
   212,868 : 467,208 = 467,208 : x
2. Step 2: Convert to fraction form
   212,868/467,208 = 467,208/x
3. Step 3: Cross multiply
   212,868x = 467,208 × 467,208
4. Step 4: Simplify right side
   212,868x = 218,283,315,264
5. Step 5: Solve for x
   x = 218,283,315,264/212,868
6. Step 6: Final answer
   x = 1,025,439.78