Finding the Third Proportional to 3,617,403 and 5,598,666

Step by Step Solution

1. Step 1: Write the proportion equation
   3,617,403 : 5,598,666 = 5,598,666 : x
2. Step 2: Convert to fraction form
   3,617,403/5,598,666 = 5,598,666/x
3. Step 3: Cross multiply
   3,617,403x = 5,598,666 × 5,598,666
4. Step 4: Simplify right side
   3,617,403x = 31,345,060,979,556
5. Step 5: Solve for x
   x = 31,345,060,979,556/3,617,403
6. Step 6: Final answer
   x = 8,665,072.98