Finding the Third Proportional to 851,496 and 1,280,796

Step by Step Solution

1. Step 1: Write the proportion equation
   851,496 : 1,280,796 = 1,280,796 : x
2. Step 2: Convert to fraction form
   851,496/1,280,796 = 1,280,796/x
3. Step 3: Cross multiply
   851,496x = 1,280,796 × 1,280,796
4. Step 4: Simplify right side
   851,496x = 1,640,438,393,616
5. Step 5: Solve for x
   x = 1,640,438,393,616/851,496
6. Step 6: Final answer
   x = 1,926,536.82