Finding the Third Proportional to 7,288,860,518 and 10,885,527,513

Step by Step Solution

1. Step 1: Write the proportion equation
   7,288,860,518 : 10,885,527,513 = 10,885,527,513 : x
2. Step 2: Convert to fraction form
   7,288,860,518/10,885,527,513 = 10,885,527,513/x
3. Step 3: Cross multiply
   7,288,860,518x = 10,885,527,513 × 10,885,527,513
4. Step 4: Simplify right side
   7,288,860,518x = 118,494,709,236,279,967,744
5. Step 5: Solve for x
   x = 118,494,709,236,279,967,744/7,288,860,518
6. Step 6: Final answer
   x = 16,256,959,361.98