Finding the Third Proportional to 251,168 and 362,436

Step by Step Solution

1. Step 1: Write the proportion equation
   251,168 : 362,436 = 362,436 : x
2. Step 2: Convert to fraction form
   251,168/362,436 = 362,436/x
3. Step 3: Cross multiply
   251,168x = 362,436 × 362,436
4. Step 4: Simplify right side
   251,168x = 131,359,854,096
5. Step 5: Solve for x
   x = 131,359,854,096/251,168
6. Step 6: Final answer
   x = 522,995.98