Finding the Third Proportional to 1,242,081 and 2,661,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,081 : 2,661,228 = 2,661,228 : x
2. Step 2: Convert to fraction form
   1,242,081/2,661,228 = 2,661,228/x
3. Step 3: Cross multiply
   1,242,081x = 2,661,228 × 2,661,228
4. Step 4: Simplify right side
   1,242,081x = 7,082,134,467,984
5. Step 5: Solve for x
   x = 7,082,134,467,984/1,242,081
6. Step 6: Final answer
   x = 5,701,829.81