Finding the Third Proportional to 2,442,648 and 5,209,908

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442,648 : 5,209,908 = 5,209,908 : x
2. Step 2: Convert to fraction form
   2,442,648/5,209,908 = 5,209,908/x
3. Step 3: Cross multiply
   2,442,648x = 5,209,908 × 5,209,908
4. Step 4: Simplify right side
   2,442,648x = 27,143,141,368,464
5. Step 5: Solve for x
   x = 27,143,141,368,464/2,442,648
6. Step 6: Final answer
   x = 11,112,178.82