Finding the Third Proportional to 489,331 and 1,074,890

Step by Step Solution

1. Step 1: Write the proportion equation
   489,331 : 1,074,890 = 1,074,890 : x
2. Step 2: Convert to fraction form
   489,331/1,074,890 = 1,074,890/x
3. Step 3: Cross multiply
   489,331x = 1,074,890 × 1,074,890
4. Step 4: Simplify right side
   489,331x = 1,155,388,512,100
5. Step 5: Solve for x
   x = 1,155,388,512,100/489,331
6. Step 6: Final answer
   x = 2,361,159.44