Finding the Third Proportional to 847,609 and 1,280,054

Step by Step Solution

1. Step 1: Write the proportion equation
   847,609 : 1,280,054 = 1,280,054 : x
2. Step 2: Convert to fraction form
   847,609/1,280,054 = 1,280,054/x
3. Step 3: Cross multiply
   847,609x = 1,280,054 × 1,280,054
4. Step 4: Simplify right side
   847,609x = 1,638,538,242,916
5. Step 5: Solve for x
   x = 1,638,538,242,916/847,609
6. Step 6: Final answer
   x = 1,933,129.83