Finding the Third Proportional to 630,831 and 1,401,630

Step by Step Solution

1. Step 1: Write the proportion equation
   630,831 : 1,401,630 = 1,401,630 : x
2. Step 2: Convert to fraction form
   630,831/1,401,630 = 1,401,630/x
3. Step 3: Cross multiply
   630,831x = 1,401,630 × 1,401,630
4. Step 4: Simplify right side
   630,831x = 1,964,566,656,900
5. Step 5: Solve for x
   x = 1,964,566,656,900/630,831
6. Step 6: Final answer
   x = 3,114,251.93