Finding the Third Proportional to 1,787,940 and 3,897,180

Step by Step Solution

1. Step 1: Write the proportion equation
   1,787,940 : 3,897,180 = 3,897,180 : x
2. Step 2: Convert to fraction form
   1,787,940/3,897,180 = 3,897,180/x
3. Step 3: Cross multiply
   1,787,940x = 3,897,180 × 3,897,180
4. Step 4: Simplify right side
   1,787,940x = 15,188,011,952,400
5. Step 5: Solve for x
   x = 15,188,011,952,400/1,787,940
6. Step 6: Final answer
   x = 8,494,698.90