Finding the Third Proportional to 3,617,420 and 5,598,698

Step by Step Solution

1. Step 1: Write the proportion equation
   3,617,420 : 5,598,698 = 5,598,698 : x
2. Step 2: Convert to fraction form
   3,617,420/5,598,698 = 5,598,698/x
3. Step 3: Cross multiply
   3,617,420x = 5,598,698 × 5,598,698
4. Step 4: Simplify right side
   3,617,420x = 31,345,419,295,204
5. Step 5: Solve for x
   x = 31,345,419,295,204/3,617,420
6. Step 6: Final answer
   x = 8,665,131.31