Finding the Third Proportional to 1,919,881 and 4,124,678

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,881 : 4,124,678 = 4,124,678 : x
2. Step 2: Convert to fraction form
   1,919,881/4,124,678 = 4,124,678/x
3. Step 3: Cross multiply
   1,919,881x = 4,124,678 × 4,124,678
4. Step 4: Simplify right side
   1,919,881x = 17,012,968,603,684
5. Step 5: Solve for x
   x = 17,012,968,603,684/1,919,881
6. Step 6: Final answer
   x = 8,861,470.37