Finding the Third Proportional to 650,821 and 1,401,655

Step by Step Solution

1. Step 1: Write the proportion equation
   650,821 : 1,401,655 = 1,401,655 : x
2. Step 2: Convert to fraction form
   650,821/1,401,655 = 1,401,655/x
3. Step 3: Cross multiply
   650,821x = 1,401,655 × 1,401,655
4. Step 4: Simplify right side
   650,821x = 1,964,636,739,025
5. Step 5: Solve for x
   x = 1,964,636,739,025/650,821
6. Step 6: Final answer
   x = 3,018,705.20