Finding the Third Proportional to 3,491,859 and 5,387,244

Step by Step Solution

1. Step 1: Write the proportion equation
   3,491,859 : 5,387,244 = 5,387,244 : x
2. Step 2: Convert to fraction form
   3,491,859/5,387,244 = 5,387,244/x
3. Step 3: Cross multiply
   3,491,859x = 5,387,244 × 5,387,244
4. Step 4: Simplify right side
   3,491,859x = 29,022,397,915,536
5. Step 5: Solve for x
   x = 29,022,397,915,536/3,491,859
6. Step 6: Final answer
   x = 8,311,446.11