Finding the Third Proportional to 2,557,156 and 3,882,390

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,156 : 3,882,390 = 3,882,390 : x
2. Step 2: Convert to fraction form
   2,557,156/3,882,390 = 3,882,390/x
3. Step 3: Cross multiply
   2,557,156x = 3,882,390 × 3,882,390
4. Step 4: Simplify right side
   2,557,156x = 15,072,952,112,100
5. Step 5: Solve for x
   x = 15,072,952,112,100/2,557,156
6. Step 6: Final answer
   x = 5,894,420.25