Finding the Third Proportional to 851,548 and 1,280,886

Step by Step Solution

1. Step 1: Write the proportion equation
   851,548 : 1,280,886 = 1,280,886 : x
2. Step 2: Convert to fraction form
   851,548/1,280,886 = 1,280,886/x
3. Step 3: Cross multiply
   851,548x = 1,280,886 × 1,280,886
4. Step 4: Simplify right side
   851,548x = 1,640,668,944,996
5. Step 5: Solve for x
   x = 1,640,668,944,996/851,548
6. Step 6: Final answer
   x = 1,926,689.92