Finding the Third Proportional to 490,622 and 1,012,590

Step by Step Solution

1. Step 1: Write the proportion equation
   490,622 : 1,012,590 = 1,012,590 : x
2. Step 2: Convert to fraction form
   490,622/1,012,590 = 1,012,590/x
3. Step 3: Cross multiply
   490,622x = 1,012,590 × 1,012,590
4. Step 4: Simplify right side
   490,622x = 1,025,338,508,100
5. Step 5: Solve for x
   x = 1,025,338,508,100/490,622
6. Step 6: Final answer
   x = 2,089,874.71