Finding the Third Proportional to 3,367,416 and 7,386,780

Step by Step Solution

1. Step 1: Write the proportion equation
   3,367,416 : 7,386,780 = 7,386,780 : x
2. Step 2: Convert to fraction form
   3,367,416/7,386,780 = 7,386,780/x
3. Step 3: Cross multiply
   3,367,416x = 7,386,780 × 7,386,780
4. Step 4: Simplify right side
   3,367,416x = 54,564,518,768,400
5. Step 5: Solve for x
   x = 54,564,518,768,400/3,367,416
6. Step 6: Final answer
   x = 16,203,676.28