Finding the Third Proportional to 1,187,191 and 1,840,670

Step by Step Solution

1. Step 1: Write the proportion equation
   1,187,191 : 1,840,670 = 1,840,670 : x
2. Step 2: Convert to fraction form
   1,187,191/1,840,670 = 1,840,670/x
3. Step 3: Cross multiply
   1,187,191x = 1,840,670 × 1,840,670
4. Step 4: Simplify right side
   1,187,191x = 3,388,066,048,900
5. Step 5: Solve for x
   x = 3,388,066,048,900/1,187,191
6. Step 6: Final answer
   x = 2,853,850.85