Finding the Third Proportional to 1,187,189 and 1,840,667

Step by Step Solution

1. Step 1: Write the proportion equation
   1,187,189 : 1,840,667 = 1,840,667 : x
2. Step 2: Convert to fraction form
   1,187,189/1,840,667 = 1,840,667/x
3. Step 3: Cross multiply
   1,187,189x = 1,840,667 × 1,840,667
4. Step 4: Simplify right side
   1,187,189x = 3,388,055,004,889
5. Step 5: Solve for x
   x = 3,388,055,004,889/1,187,189
6. Step 6: Final answer
   x = 2,853,846.36