Finding the Third Proportional to 3,617,405 and 5,598,669

Step by Step Solution

1. Step 1: Write the proportion equation
   3,617,405 : 5,598,669 = 5,598,669 : x
2. Step 2: Convert to fraction form
   3,617,405/5,598,669 = 5,598,669/x
3. Step 3: Cross multiply
   3,617,405x = 5,598,669 × 5,598,669
4. Step 4: Simplify right side
   3,617,405x = 31,345,094,571,561
5. Step 5: Solve for x
   x = 31,345,094,571,561/3,617,405
6. Step 6: Final answer
   x = 8,665,077.47