Finding the Third Proportional to 2,609,378 and 5,397,748

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,378 : 5,397,748 = 5,397,748 : x
2. Step 2: Convert to fraction form
   2,609,378/5,397,748 = 5,397,748/x
3. Step 3: Cross multiply
   2,609,378x = 5,397,748 × 5,397,748
4. Step 4: Simplify right side
   2,609,378x = 29,135,683,471,504
5. Step 5: Solve for x
   x = 29,135,683,471,504/2,609,378
6. Step 6: Final answer
   x = 11,165,758.07