Finding the Third Proportional to 861,141 and 1,853,912

Step by Step Solution

1. Step 1: Write the proportion equation
   861,141 : 1,853,912 = 1,853,912 : x
2. Step 2: Convert to fraction form
   861,141/1,853,912 = 1,853,912/x
3. Step 3: Cross multiply
   861,141x = 1,853,912 × 1,853,912
4. Step 4: Simplify right side
   861,141x = 3,436,989,703,744
5. Step 5: Solve for x
   x = 3,436,989,703,744/861,141
6. Step 6: Final answer
   x = 3,991,204.35