Finding the Third Proportional to 552,195 and 810,116

Step by Step Solution

1. Step 1: Write the proportion equation
   552,195 : 810,116 = 810,116 : x
2. Step 2: Convert to fraction form
   552,195/810,116 = 810,116/x
3. Step 3: Cross multiply
   552,195x = 810,116 × 810,116
4. Step 4: Simplify right side
   552,195x = 656,287,933,456
5. Step 5: Solve for x
   x = 656,287,933,456/552,195
6. Step 6: Final answer
   x = 1,188,507.56