Finding the Third Proportional to 2,388,072 and 5,245,289

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388,072 : 5,245,289 = 5,245,289 : x
2. Step 2: Convert to fraction form
   2,388,072/5,245,289 = 5,245,289/x
3. Step 3: Cross multiply
   2,388,072x = 5,245,289 × 5,245,289
4. Step 4: Simplify right side
   2,388,072x = 27,513,056,693,521
5. Step 5: Solve for x
   x = 27,513,056,693,521/2,388,072
6. Step 6: Final answer
   x = 11,521,033.16