Finding the Third Proportional to 3,646,598 and 7,992,980

Step by Step Solution

1. Step 1: Write the proportion equation
   3,646,598 : 7,992,980 = 7,992,980 : x
2. Step 2: Convert to fraction form
   3,646,598/7,992,980 = 7,992,980/x
3. Step 3: Cross multiply
   3,646,598x = 7,992,980 × 7,992,980
4. Step 4: Simplify right side
   3,646,598x = 63,887,729,280,400
5. Step 5: Solve for x
   x = 63,887,729,280,400/3,646,598
6. Step 6: Final answer
   x = 17,519,816.90