Finding the Third Proportional to 2,299,116 and 5,419,655

Step by Step Solution

1. Step 1: Write the proportion equation
   2,299,116 : 5,419,655 = 5,419,655 : x
2. Step 2: Convert to fraction form
   2,299,116/5,419,655 = 5,419,655/x
3. Step 3: Cross multiply
   2,299,116x = 5,419,655 × 5,419,655
4. Step 4: Simplify right side
   2,299,116x = 29,372,660,319,025
5. Step 5: Solve for x
   x = 29,372,660,319,025/2,299,116
6. Step 6: Final answer
   x = 12,775,632.16