Finding the Third Proportional to 847,610 and 1,280,055

Step by Step Solution

1. Step 1: Write the proportion equation
   847,610 : 1,280,055 = 1,280,055 : x
2. Step 2: Convert to fraction form
   847,610/1,280,055 = 1,280,055/x
3. Step 3: Cross multiply
   847,610x = 1,280,055 × 1,280,055
4. Step 4: Simplify right side
   847,610x = 1,638,540,803,025
5. Step 5: Solve for x
   x = 1,638,540,803,025/847,610
6. Step 6: Final answer
   x = 1,933,130.57