Finding the Third Proportional to 650,867 and 1,401,640

Step by Step Solution

1. Step 1: Write the proportion equation
   650,867 : 1,401,640 = 1,401,640 : x
2. Step 2: Convert to fraction form
   650,867/1,401,640 = 1,401,640/x
3. Step 3: Cross multiply
   650,867x = 1,401,640 × 1,401,640
4. Step 4: Simplify right side
   650,867x = 1,964,594,689,600
5. Step 5: Solve for x
   x = 1,964,594,689,600/650,867
6. Step 6: Final answer
   x = 3,018,427.25