Finding the Third Proportional to 103,633,942 and 221,616,789

Step by Step Solution

1. Step 1: Write the proportion equation
   103,633,942 : 221,616,789 = 221,616,789 : x
2. Step 2: Convert to fraction form
   103,633,942/221,616,789 = 221,616,789/x
3. Step 3: Cross multiply
   103,633,942x = 221,616,789 × 221,616,789
4. Step 4: Simplify right side
   103,633,942x = 49,114,001,166,670,520
5. Step 5: Solve for x
   x = 49,114,001,166,670,520/103,633,942
6. Step 6: Final answer
   x = 473,918,102.69