Finding the Third Proportional to 810,336 and 1,776,180

Step by Step Solution

1. Step 1: Write the proportion equation
   810,336 : 1,776,180 = 1,776,180 : x
2. Step 2: Convert to fraction form
   810,336/1,776,180 = 1,776,180/x
3. Step 3: Cross multiply
   810,336x = 1,776,180 × 1,776,180
4. Step 4: Simplify right side
   810,336x = 3,154,815,392,400
5. Step 5: Solve for x
   x = 3,154,815,392,400/810,336
6. Step 6: Final answer
   x = 3,893,218.85