Finding the Third Proportional to 103,676 and 213,895

Step by Step Solution

1. Step 1: Write the proportion equation
   103,676 : 213,895 = 213,895 : x
2. Step 2: Convert to fraction form
   103,676/213,895 = 213,895/x
3. Step 3: Cross multiply
   103,676x = 213,895 × 213,895
4. Step 4: Simplify right side
   103,676x = 45,751,071,025
5. Step 5: Solve for x
   x = 45,751,071,025/103,676
6. Step 6: Final answer
   x = 441,288.93