Finding the Third Proportional to 861,190 and 1,853,996

Step by Step Solution

1. Step 1: Write the proportion equation
   861,190 : 1,853,996 = 1,853,996 : x
2. Step 2: Convert to fraction form
   861,190/1,853,996 = 1,853,996/x
3. Step 3: Cross multiply
   861,190x = 1,853,996 × 1,853,996
4. Step 4: Simplify right side
   861,190x = 3,437,301,168,016
5. Step 5: Solve for x
   x = 3,437,301,168,016/861,190
6. Step 6: Final answer
   x = 3,991,338.92