Finding the Third Proportional to 861,182 and 1,853,979

Step by Step Solution

1. Step 1: Write the proportion equation
   861,182 : 1,853,979 = 1,853,979 : x
2. Step 2: Convert to fraction form
   861,182/1,853,979 = 1,853,979/x
3. Step 3: Cross multiply
   861,182x = 1,853,979 × 1,853,979
4. Step 4: Simplify right side
   861,182x = 3,437,238,132,441
5. Step 5: Solve for x
   x = 3,437,238,132,441/861,182
6. Step 6: Final answer
   x = 3,991,302.81