Finding the Third Proportional to 847,716 and 1,280,214

Step by Step Solution

1. Step 1: Write the proportion equation
   847,716 : 1,280,214 = 1,280,214 : x
2. Step 2: Convert to fraction form
   847,716/1,280,214 = 1,280,214/x
3. Step 3: Cross multiply
   847,716x = 1,280,214 × 1,280,214
4. Step 4: Simplify right side
   847,716x = 1,638,947,885,796
5. Step 5: Solve for x
   x = 1,638,947,885,796/847,716
6. Step 6: Final answer
   x = 1,933,369.06