Finding the Third Proportional to 1,242,115 and 2,661,296

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,115 : 2,661,296 = 2,661,296 : x
2. Step 2: Convert to fraction form
   1,242,115/2,661,296 = 2,661,296/x
3. Step 3: Cross multiply
   1,242,115x = 2,661,296 × 2,661,296
4. Step 4: Simplify right side
   1,242,115x = 7,082,496,399,616
5. Step 5: Solve for x
   x = 7,082,496,399,616/1,242,115
6. Step 6: Final answer
   x = 5,701,965.12