Finding the Third Proportional to 2,051,408 and 4,488,880

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051,408 : 4,488,880 = 4,488,880 : x
2. Step 2: Convert to fraction form
   2,051,408/4,488,880 = 4,488,880/x
3. Step 3: Cross multiply
   2,051,408x = 4,488,880 × 4,488,880
4. Step 4: Simplify right side
   2,051,408x = 20,150,043,654,400
5. Step 5: Solve for x
   x = 20,150,043,654,400/2,051,408
6. Step 6: Final answer
   x = 9,822,543.18