Finding the Third Proportional to 105,086 and 245,813

Step by Step Solution

1. Step 1: Write the proportion equation
   105,086 : 245,813 = 245,813 : x
2. Step 2: Convert to fraction form
   105,086/245,813 = 245,813/x
3. Step 3: Cross multiply
   105,086x = 245,813 × 245,813
4. Step 4: Simplify right side
   105,086x = 60,424,030,969
5. Step 5: Solve for x
   x = 60,424,030,969/105,086
6. Step 6: Final answer
   x = 574,996.01