Finding the Third Proportional to 847,227 and 1,290,716

Step by Step Solution

1. Step 1: Write the proportion equation
   847,227 : 1,290,716 = 1,290,716 : x
2. Step 2: Convert to fraction form
   847,227/1,290,716 = 1,290,716/x
3. Step 3: Cross multiply
   847,227x = 1,290,716 × 1,290,716
4. Step 4: Simplify right side
   847,227x = 1,665,947,792,656
5. Step 5: Solve for x
   x = 1,665,947,792,656/847,227
6. Step 6: Final answer
   x = 1,966,353.52