Finding the Third Proportional to 861,141 and 1,853,911

Step by Step Solution

1. Step 1: Write the proportion equation
   861,141 : 1,853,911 = 1,853,911 : x
2. Step 2: Convert to fraction form
   861,141/1,853,911 = 1,853,911/x
3. Step 3: Cross multiply
   861,141x = 1,853,911 × 1,853,911
4. Step 4: Simplify right side
   861,141x = 3,436,985,995,921
5. Step 5: Solve for x
   x = 3,436,985,995,921/861,141
6. Step 6: Final answer
   x = 3,991,200.04