Finding the Third Proportional to 2,757,478 and 4,139,133

Step by Step Solution

1. Step 1: Write the proportion equation
   2,757,478 : 4,139,133 = 4,139,133 : x
2. Step 2: Convert to fraction form
   2,757,478/4,139,133 = 4,139,133/x
3. Step 3: Cross multiply
   2,757,478x = 4,139,133 × 4,139,133
4. Step 4: Simplify right side
   2,757,478x = 17,132,421,991,689
5. Step 5: Solve for x
   x = 17,132,421,991,689/2,757,478
6. Step 6: Final answer
   x = 6,213,076.58