Finding the Third Proportional to 810,137 and 1,772,766

Step by Step Solution

1. Step 1: Write the proportion equation
   810,137 : 1,772,766 = 1,772,766 : x
2. Step 2: Convert to fraction form
   810,137/1,772,766 = 1,772,766/x
3. Step 3: Cross multiply
   810,137x = 1,772,766 × 1,772,766
4. Step 4: Simplify right side
   810,137x = 3,142,699,290,756
5. Step 5: Solve for x
   x = 3,142,699,290,756/810,137
6. Step 6: Final answer
   x = 3,879,219.55