Finding the Third Proportional to 646,986 and 1,360,901

Step by Step Solution

1. Step 1: Write the proportion equation
   646,986 : 1,360,901 = 1,360,901 : x
2. Step 2: Convert to fraction form
   646,986/1,360,901 = 1,360,901/x
3. Step 3: Cross multiply
   646,986x = 1,360,901 × 1,360,901
4. Step 4: Simplify right side
   646,986x = 1,852,051,531,801
5. Step 5: Solve for x
   x = 1,852,051,531,801/646,986
6. Step 6: Final answer
   x = 2,862,583.63