Finding the Third Proportional to 489,456 and 1,083,726

Step by Step Solution

1. Step 1: Write the proportion equation
   489,456 : 1,083,726 = 1,083,726 : x
2. Step 2: Convert to fraction form
   489,456/1,083,726 = 1,083,726/x
3. Step 3: Cross multiply
   489,456x = 1,083,726 × 1,083,726
4. Step 4: Simplify right side
   489,456x = 1,174,462,043,076
5. Step 5: Solve for x
   x = 1,174,462,043,076/489,456
6. Step 6: Final answer
   x = 2,399,525.28