Finding the Third Proportional to 2,106,540 and 3,178,449

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,540 : 3,178,449 = 3,178,449 : x
2. Step 2: Convert to fraction form
   2,106,540/3,178,449 = 3,178,449/x
3. Step 3: Cross multiply
   2,106,540x = 3,178,449 × 3,178,449
4. Step 4: Simplify right side
   2,106,540x = 10,102,538,045,601
5. Step 5: Solve for x
   x = 10,102,538,045,601/2,106,540
6. Step 6: Final answer
   x = 4,795,796.92