Finding the Third Proportional to 231,858 and 488,622

Step by Step Solution

1. Step 1: Write the proportion equation
   231,858 : 488,622 = 488,622 : x
2. Step 2: Convert to fraction form
   231,858/488,622 = 488,622/x
3. Step 3: Cross multiply
   231,858x = 488,622 × 488,622
4. Step 4: Simplify right side
   231,858x = 238,751,458,884
5. Step 5: Solve for x
   x = 238,751,458,884/231,858
6. Step 6: Final answer
   x = 1,029,731.38