Finding the Third Proportional to 2,389,938 and 5,160,198

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389,938 : 5,160,198 = 5,160,198 : x
2. Step 2: Convert to fraction form
   2,389,938/5,160,198 = 5,160,198/x
3. Step 3: Cross multiply
   2,389,938x = 5,160,198 × 5,160,198
4. Step 4: Simplify right side
   2,389,938x = 26,627,643,399,204
5. Step 5: Solve for x
   x = 26,627,643,399,204/2,389,938
6. Step 6: Final answer
   x = 11,141,562.42