Finding the Third Proportional to 646,772 and 1,360,573

Step by Step Solution

1. Step 1: Write the proportion equation
   646,772 : 1,360,573 = 1,360,573 : x
2. Step 2: Convert to fraction form
   646,772/1,360,573 = 1,360,573/x
3. Step 3: Cross multiply
   646,772x = 1,360,573 × 1,360,573
4. Step 4: Simplify right side
   646,772x = 1,851,158,888,329
5. Step 5: Solve for x
   x = 1,851,158,888,329/646,772
6. Step 6: Final answer
   x = 2,862,150.63