Finding the Third Proportional to 2,631,393 and 3,936,378

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,393 : 3,936,378 = 3,936,378 : x
2. Step 2: Convert to fraction form
   2,631,393/3,936,378 = 3,936,378/x
3. Step 3: Cross multiply
   2,631,393x = 3,936,378 × 3,936,378
4. Step 4: Simplify right side
   2,631,393x = 15,495,071,758,884
5. Step 5: Solve for x
   x = 15,495,071,758,884/2,631,393
6. Step 6: Final answer
   x = 5,888,543.35