Finding the Third Proportional to 1,242,057 and 2,661,180

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,057 : 2,661,180 = 2,661,180 : x
2. Step 2: Convert to fraction form
   1,242,057/2,661,180 = 2,661,180/x
3. Step 3: Cross multiply
   1,242,057x = 2,661,180 × 2,661,180
4. Step 4: Simplify right side
   1,242,057x = 7,081,878,992,400
5. Step 5: Solve for x
   x = 7,081,878,992,400/1,242,057
6. Step 6: Final answer
   x = 5,701,734.29