Finding the Third Proportional to 105,449 and 248,916

Step by Step Solution

1. Step 1: Write the proportion equation
   105,449 : 248,916 = 248,916 : x
2. Step 2: Convert to fraction form
   105,449/248,916 = 248,916/x
3. Step 3: Cross multiply
   105,449x = 248,916 × 248,916
4. Step 4: Simplify right side
   105,449x = 61,959,175,056
5. Step 5: Solve for x
   x = 61,959,175,056/105,449
6. Step 6: Final answer
   x = 587,574.80