Finding the Third Proportional to 646,793 and 1,360,610

Step by Step Solution

1. Step 1: Write the proportion equation
   646,793 : 1,360,610 = 1,360,610 : x
2. Step 2: Convert to fraction form
   646,793/1,360,610 = 1,360,610/x
3. Step 3: Cross multiply
   646,793x = 1,360,610 × 1,360,610
4. Step 4: Simplify right side
   646,793x = 1,851,259,572,100
5. Step 5: Solve for x
   x = 1,851,259,572,100/646,793
6. Step 6: Final answer
   x = 2,862,213.37