Finding the Third Proportional to 234,678 and 498,444

Step by Step Solution

1. Step 1: Write the proportion equation
   234,678 : 498,444 = 498,444 : x
2. Step 2: Convert to fraction form
   234,678/498,444 = 498,444/x
3. Step 3: Cross multiply
   234,678x = 498,444 × 498,444
4. Step 4: Simplify right side
   234,678x = 248,446,421,136
5. Step 5: Solve for x
   x = 248,446,421,136/234,678
6. Step 6: Final answer
   x = 1,058,669.42