Finding the Third Proportional to 7,431,772 and 10,860,898

Step by Step Solution

1. Step 1: Write the proportion equation
   7,431,772 : 10,860,898 = 10,860,898 : x
2. Step 2: Convert to fraction form
   7,431,772/10,860,898 = 10,860,898/x
3. Step 3: Cross multiply
   7,431,772x = 10,860,898 × 10,860,898
4. Step 4: Simplify right side
   7,431,772x = 117,959,105,366,404
5. Step 5: Solve for x
   x = 117,959,105,366,404/7,431,772
6. Step 6: Final answer
   x = 15,872,271.83