Finding the Third Proportional to 103,554 and 221,853.38

Step by Step Solution

1. Step 1: Write the proportion equation
   103,554 : 221,853.38 = 221,853.38 : x
2. Step 2: Convert to fraction form
   103,554/221,853.38 = 221,853.38/x
3. Step 3: Cross multiply
   103,554x = 221,853.38 × 221,853.38
4. Step 4: Simplify right side
   103,554x = 49,218,919,998.89
5. Step 5: Solve for x
   x = 49,218,919,998.89/103,554
6. Step 6: Final answer
   x = 475,297.14