Finding the Third Proportional to 2,388,692 and 5,197,288

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388,692 : 5,197,288 = 5,197,288 : x
2. Step 2: Convert to fraction form
   2,388,692/5,197,288 = 5,197,288/x
3. Step 3: Cross multiply
   2,388,692x = 5,197,288 × 5,197,288
4. Step 4: Simplify right side
   2,388,692x = 27,011,802,554,944
5. Step 5: Solve for x
   x = 27,011,802,554,944/2,388,692
6. Step 6: Final answer
   x = 11,308,198.19