Finding the Third Proportional to 1,919,259 and 4,074,678

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,259 : 4,074,678 = 4,074,678 : x
2. Step 2: Convert to fraction form
   1,919,259/4,074,678 = 4,074,678/x
3. Step 3: Cross multiply
   1,919,259x = 4,074,678 × 4,074,678
4. Step 4: Simplify right side
   1,919,259x = 16,603,000,803,684
5. Step 5: Solve for x
   x = 16,603,000,803,684/1,919,259
6. Step 6: Final answer
   x = 8,650,734.89