Finding the Third Proportional to 2,278,562 and 4,917,388

Step by Step Solution

1. Step 1: Write the proportion equation
   2,278,562 : 4,917,388 = 4,917,388 : x
2. Step 2: Convert to fraction form
   2,278,562/4,917,388 = 4,917,388/x
3. Step 3: Cross multiply
   2,278,562x = 4,917,388 × 4,917,388
4. Step 4: Simplify right side
   2,278,562x = 24,180,704,742,544
5. Step 5: Solve for x
   x = 24,180,704,742,544/2,278,562
6. Step 6: Final answer
   x = 10,612,265.43