Finding the Third Proportional to 2,677,356 and 4,078,780

Step by Step Solution

1. Step 1: Write the proportion equation
   2,677,356 : 4,078,780 = 4,078,780 : x
2. Step 2: Convert to fraction form
   2,677,356/4,078,780 = 4,078,780/x
3. Step 3: Cross multiply
   2,677,356x = 4,078,780 × 4,078,780
4. Step 4: Simplify right side
   2,677,356x = 16,636,446,288,400
5. Step 5: Solve for x
   x = 16,636,446,288,400/2,677,356
6. Step 6: Final answer
   x = 6,213,759.50