Finding the Third Proportional to 1,115,949 and 2,431,185

Step by Step Solution

1. Step 1: Write the proportion equation
   1,115,949 : 2,431,185 = 2,431,185 : x
2. Step 2: Convert to fraction form
   1,115,949/2,431,185 = 2,431,185/x
3. Step 3: Cross multiply
   1,115,949x = 2,431,185 × 2,431,185
4. Step 4: Simplify right side
   1,115,949x = 5,910,660,504,225
5. Step 5: Solve for x
   x = 5,910,660,504,225/1,115,949
6. Step 6: Final answer
   x = 5,296,532.82