Finding the Third Proportional to 105,456 and 248,934

Step by Step Solution

1. Step 1: Write the proportion equation
   105,456 : 248,934 = 248,934 : x
2. Step 2: Convert to fraction form
   105,456/248,934 = 248,934/x
3. Step 3: Cross multiply
   105,456x = 248,934 × 248,934
4. Step 4: Simplify right side
   105,456x = 61,968,136,356
5. Step 5: Solve for x
   x = 61,968,136,356/105,456
6. Step 6: Final answer
   x = 587,620.77