Finding the Third Proportional to 105,385 and 248,766

Step by Step Solution

1. Step 1: Write the proportion equation
   105,385 : 248,766 = 248,766 : x
2. Step 2: Convert to fraction form
   105,385/248,766 = 248,766/x
3. Step 3: Cross multiply
   105,385x = 248,766 × 248,766
4. Step 4: Simplify right side
   105,385x = 61,884,522,756
5. Step 5: Solve for x
   x = 61,884,522,756/105,385
6. Step 6: Final answer
   x = 587,223.26