Finding the Third Proportional to 103,673,636 and 222,732,678

Step by Step Solution

1. Step 1: Write the proportion equation
   103,673,636 : 222,732,678 = 222,732,678 : x
2. Step 2: Convert to fraction form
   103,673,636/222,732,678 = 222,732,678/x
3. Step 3: Cross multiply
   103,673,636x = 222,732,678 × 222,732,678
4. Step 4: Simplify right side
   103,673,636x = 49,609,845,849,051,680
5. Step 5: Solve for x
   x = 49,609,845,849,051,680/103,673,636
6. Step 6: Final answer
   x = 478,519,397.63