Finding the Third Proportional to 489,321 and 1,074,870

Step by Step Solution

1. Step 1: Write the proportion equation
   489,321 : 1,074,870 = 1,074,870 : x
2. Step 2: Convert to fraction form
   489,321/1,074,870 = 1,074,870/x
3. Step 3: Cross multiply
   489,321x = 1,074,870 × 1,074,870
4. Step 4: Simplify right side
   489,321x = 1,155,345,516,900
5. Step 5: Solve for x
   x = 1,155,345,516,900/489,321
6. Step 6: Final answer
   x = 2,361,119.83