Finding the Third Proportional to 649,155 and 1,401,990

Step by Step Solution

1. Step 1: Write the proportion equation
   649,155 : 1,401,990 = 1,401,990 : x
2. Step 2: Convert to fraction form
   649,155/1,401,990 = 1,401,990/x
3. Step 3: Cross multiply
   649,155x = 1,401,990 × 1,401,990
4. Step 4: Simplify right side
   649,155x = 1,965,575,960,100
5. Step 5: Solve for x
   x = 1,965,575,960,100/649,155
6. Step 6: Final answer
   x = 3,027,899.28