Finding the Third Proportional to 489,435.50 and 1,005,221

Step by Step Solution

1. Step 1: Write the proportion equation
   489,435.50 : 1,005,221 = 1,005,221 : x
2. Step 2: Convert to fraction form
   489,435.50/1,005,221 = 1,005,221/x
3. Step 3: Cross multiply
   489,435.50x = 1,005,221 × 1,005,221
4. Step 4: Simplify right side
   489,435.50x = 1,010,469,258,841
5. Step 5: Solve for x
   x = 1,010,469,258,841/489,435.50
6. Step 6: Final answer
   x = 2,064,560.62