Finding the Third Proportional to 1,919,886 and 4,124,686

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,886 : 4,124,686 = 4,124,686 : x
2. Step 2: Convert to fraction form
   1,919,886/4,124,686 = 4,124,686/x
3. Step 3: Cross multiply
   1,919,886x = 4,124,686 × 4,124,686
4. Step 4: Simplify right side
   1,919,886x = 17,013,034,598,596
5. Step 5: Solve for x
   x = 17,013,034,598,596/1,919,886
6. Step 6: Final answer
   x = 8,861,481.67