Finding the Third Proportional to 19,792,860 and 30,647,040

Step by Step Solution

1. Step 1: Write the proportion equation
   19,792,860 : 30,647,040 = 30,647,040 : x
2. Step 2: Convert to fraction form
   19,792,860/30,647,040 = 30,647,040/x
3. Step 3: Cross multiply
   19,792,860x = 30,647,040 × 30,647,040
4. Step 4: Simplify right side
   19,792,860x = 939,241,060,761,600
5. Step 5: Solve for x
   x = 939,241,060,761,600/19,792,860
6. Step 6: Final answer
   x = 47,453,529.24