Finding the Third Proportional to 861,268 and 1,854,156

Step by Step Solution

1. Step 1: Write the proportion equation
   861,268 : 1,854,156 = 1,854,156 : x
2. Step 2: Convert to fraction form
   861,268/1,854,156 = 1,854,156/x
3. Step 3: Cross multiply
   861,268x = 1,854,156 × 1,854,156
4. Step 4: Simplify right side
   861,268x = 3,437,894,472,336
5. Step 5: Solve for x
   x = 3,437,894,472,336/861,268
6. Step 6: Final answer
   x = 3,991,666.32