Finding the Third Proportional to 103,633,917 and 221,616,738

Step by Step Solution

1. Step 1: Write the proportion equation
   103,633,917 : 221,616,738 = 221,616,738 : x
2. Step 2: Convert to fraction form
   103,633,917/221,616,738 = 221,616,738/x
3. Step 3: Cross multiply
   103,633,917x = 221,616,738 × 221,616,738
4. Step 4: Simplify right side
   103,633,917x = 49,113,978,561,760,640
5. Step 5: Solve for x
   x = 49,113,978,561,760,640/103,633,917
6. Step 6: Final answer
   x = 473,917,998.89