Finding the Third Proportional to 3,646,597 and 7,992,978

Step by Step Solution

1. Step 1: Write the proportion equation
   3,646,597 : 7,992,978 = 7,992,978 : x
2. Step 2: Convert to fraction form
   3,646,597/7,992,978 = 7,992,978/x
3. Step 3: Cross multiply
   3,646,597x = 7,992,978 × 7,992,978
4. Step 4: Simplify right side
   3,646,597x = 63,887,697,308,484
5. Step 5: Solve for x
   x = 63,887,697,308,484/3,646,597
6. Step 6: Final answer
   x = 17,519,812.94