Finding the Third Proportional to 5,715,658,515 and 12,307,105,554

Step by Step Solution

1. Step 1: Write the proportion equation
   5,715,658,515 : 12,307,105,554 = 12,307,105,554 : x
2. Step 2: Convert to fraction form
   5,715,658,515/12,307,105,554 = 12,307,105,554/x
3. Step 3: Cross multiply
   5,715,658,515x = 12,307,105,554 × 12,307,105,554
4. Step 4: Simplify right side
   5,715,658,515x = 151,464,847,117,297,647,616
5. Step 5: Solve for x
   x = 151,464,847,117,297,647,616/5,715,658,515
6. Step 6: Final answer
   x = 26,499,981,886.57