Finding the Third Proportional to 2,431,247 and 5,290,606

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,247 : 5,290,606 = 5,290,606 : x
2. Step 2: Convert to fraction form
   2,431,247/5,290,606 = 5,290,606/x
3. Step 3: Cross multiply
   2,431,247x = 5,290,606 × 5,290,606
4. Step 4: Simplify right side
   2,431,247x = 27,990,511,847,236
5. Step 5: Solve for x
   x = 27,990,511,847,236/2,431,247
6. Step 6: Final answer
   x = 11,512,821.14