Finding the Third Proportional to 2,389,078 and 5,198,060

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389,078 : 5,198,060 = 5,198,060 : x
2. Step 2: Convert to fraction form
   2,389,078/5,198,060 = 5,198,060/x
3. Step 3: Cross multiply
   2,389,078x = 5,198,060 × 5,198,060
4. Step 4: Simplify right side
   2,389,078x = 27,019,827,763,600
5. Step 5: Solve for x
   x = 27,019,827,763,600/2,389,078
6. Step 6: Final answer
   x = 11,309,730.27