Finding the Third Proportional to 490,630 and 1,012,606

Step by Step Solution

1. Step 1: Write the proportion equation
   490,630 : 1,012,606 = 1,012,606 : x
2. Step 2: Convert to fraction form
   490,630/1,012,606 = 1,012,606/x
3. Step 3: Cross multiply
   490,630x = 1,012,606 × 1,012,606
4. Step 4: Simplify right side
   490,630x = 1,025,370,911,236
5. Step 5: Solve for x
   x = 1,025,370,911,236/490,630
6. Step 6: Final answer
   x = 2,089,906.67