Finding the Third Proportional to 854,890 and 1,857,940

Step by Step Solution

1. Step 1: Write the proportion equation
   854,890 : 1,857,940 = 1,857,940 : x
2. Step 2: Convert to fraction form
   854,890/1,857,940 = 1,857,940/x
3. Step 3: Cross multiply
   854,890x = 1,857,940 × 1,857,940
4. Step 4: Simplify right side
   854,890x = 3,451,941,043,600
5. Step 5: Solve for x
   x = 3,451,941,043,600/854,890
6. Step 6: Final answer
   x = 4,037,877.44