Finding the Third Proportional to 103,633,870 and 221,616,644

Step by Step Solution

1. Step 1: Write the proportion equation
   103,633,870 : 221,616,644 = 221,616,644 : x
2. Step 2: Convert to fraction form
   103,633,870/221,616,644 = 221,616,644/x
3. Step 3: Cross multiply
   103,633,870x = 221,616,644 × 221,616,644
4. Step 4: Simplify right side
   103,633,870x = 49,113,936,897,822,736
5. Step 5: Solve for x
   x = 49,113,936,897,822,736/103,633,870
6. Step 6: Final answer
   x = 473,917,811.79