Finding the Third Proportional to 646,844 and 1,360,716

Step by Step Solution

1. Step 1: Write the proportion equation
   646,844 : 1,360,716 = 1,360,716 : x
2. Step 2: Convert to fraction form
   646,844/1,360,716 = 1,360,716/x
3. Step 3: Cross multiply
   646,844x = 1,360,716 × 1,360,716
4. Step 4: Simplify right side
   646,844x = 1,851,548,032,656
5. Step 5: Solve for x
   x = 1,851,548,032,656/646,844
6. Step 6: Final answer
   x = 2,862,433.65