Finding the Third Proportional to 2,503,959 and 5,407,086

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503,959 : 5,407,086 = 5,407,086 : x
2. Step 2: Convert to fraction form
   2,503,959/5,407,086 = 5,407,086/x
3. Step 3: Cross multiply
   2,503,959x = 5,407,086 × 5,407,086
4. Step 4: Simplify right side
   2,503,959x = 29,236,579,011,396
5. Step 5: Solve for x
   x = 29,236,579,011,396/2,503,959
6. Step 6: Final answer
   x = 11,676,141.27