Finding the Third Proportional to 646,275 and 1,022,871

Step by Step Solution

1. Step 1: Write the proportion equation
   646,275 : 1,022,871 = 1,022,871 : x
2. Step 2: Convert to fraction form
   646,275/1,022,871 = 1,022,871/x
3. Step 3: Cross multiply
   646,275x = 1,022,871 × 1,022,871
4. Step 4: Simplify right side
   646,275x = 1,046,265,082,641
5. Step 5: Solve for x
   x = 1,046,265,082,641/646,275
6. Step 6: Final answer
   x = 1,618,916.22