Finding the Third Proportional to 1,115,948 and 2,431,183

Step by Step Solution

1. Step 1: Write the proportion equation
   1,115,948 : 2,431,183 = 2,431,183 : x
2. Step 2: Convert to fraction form
   1,115,948/2,431,183 = 2,431,183/x
3. Step 3: Cross multiply
   1,115,948x = 2,431,183 × 2,431,183
4. Step 4: Simplify right side
   1,115,948x = 5,910,650,779,489
5. Step 5: Solve for x
   x = 5,910,650,779,489/1,115,948
6. Step 6: Final answer
   x = 5,296,528.85