Finding the Third Proportional to 854,644 and 1,846,340

Step by Step Solution

1. Step 1: Write the proportion equation
   854,644 : 1,846,340 = 1,846,340 : x
2. Step 2: Convert to fraction form
   854,644/1,846,340 = 1,846,340/x
3. Step 3: Cross multiply
   854,644x = 1,846,340 × 1,846,340
4. Step 4: Simplify right side
   854,644x = 3,408,971,395,600
5. Step 5: Solve for x
   x = 3,408,971,395,600/854,644
6. Step 6: Final answer
   x = 3,988,761.87