Finding the Third Proportional to 2,158,767 and 4,649,787

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,767 : 4,649,787 = 4,649,787 : x
2. Step 2: Convert to fraction form
   2,158,767/4,649,787 = 4,649,787/x
3. Step 3: Cross multiply
   2,158,767x = 4,649,787 × 4,649,787
4. Step 4: Simplify right side
   2,158,767x = 21,620,519,145,369
5. Step 5: Solve for x
   x = 21,620,519,145,369/2,158,767
6. Step 6: Final answer
   x = 10,015,216.62