Finding the Third Proportional to 810,468 and 1,876,086

Step by Step Solution

1. Step 1: Write the proportion equation
   810,468 : 1,876,086 = 1,876,086 : x
2. Step 2: Convert to fraction form
   810,468/1,876,086 = 1,876,086/x
3. Step 3: Cross multiply
   810,468x = 1,876,086 × 1,876,086
4. Step 4: Simplify right side
   810,468x = 3,519,698,679,396
5. Step 5: Solve for x
   x = 3,519,698,679,396/810,468
6. Step 6: Final answer
   x = 4,342,797.84