Finding the Third Proportional to 1,309,780 and 2,894,848

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,780 : 2,894,848 = 2,894,848 : x
2. Step 2: Convert to fraction form
   1,309,780/2,894,848 = 2,894,848/x
3. Step 3: Cross multiply
   1,309,780x = 2,894,848 × 2,894,848
4. Step 4: Simplify right side
   1,309,780x = 8,380,144,943,104
5. Step 5: Solve for x
   x = 8,380,144,943,104/1,309,780
6. Step 6: Final answer
   x = 6,398,131.70