Finding the Third Proportional to 1,231,446 and 2,646,276

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231,446 : 2,646,276 = 2,646,276 : x
2. Step 2: Convert to fraction form
   1,231,446/2,646,276 = 2,646,276/x
3. Step 3: Cross multiply
   1,231,446x = 2,646,276 × 2,646,276
4. Step 4: Simplify right side
   1,231,446x = 7,002,776,668,176
5. Step 5: Solve for x
   x = 7,002,776,668,176/1,231,446
6. Step 6: Final answer
   x = 5,686,629.11