Finding the Third Proportional to 19,342,728 and 29,262,870

Step by Step Solution

1. Step 1: Write the proportion equation
   19,342,728 : 29,262,870 = 29,262,870 : x
2. Step 2: Convert to fraction form
   19,342,728/29,262,870 = 29,262,870/x
3. Step 3: Cross multiply
   19,342,728x = 29,262,870 × 29,262,870
4. Step 4: Simplify right side
   19,342,728x = 856,315,560,636,900
5. Step 5: Solve for x
   x = 856,315,560,636,900/19,342,728
6. Step 6: Final answer
   x = 44,270,671.68