Finding the Third Proportional to 810,740 and 1,777,144

Step by Step Solution

1. Step 1: Write the proportion equation
   810,740 : 1,777,144 = 1,777,144 : x
2. Step 2: Convert to fraction form
   810,740/1,777,144 = 1,777,144/x
3. Step 3: Cross multiply
   810,740x = 1,777,144 × 1,777,144
4. Step 4: Simplify right side
   810,740x = 3,158,240,796,736
5. Step 5: Solve for x
   x = 3,158,240,796,736/810,740
6. Step 6: Final answer
   x = 3,895,503.86