Finding the Third Proportional to 854,500 and 1,328,406

Step by Step Solution

1. Step 1: Write the proportion equation
   854,500 : 1,328,406 = 1,328,406 : x
2. Step 2: Convert to fraction form
   854,500/1,328,406 = 1,328,406/x
3. Step 3: Cross multiply
   854,500x = 1,328,406 × 1,328,406
4. Step 4: Simplify right side
   854,500x = 1,764,662,500,836
5. Step 5: Solve for x
   x = 1,764,662,500,836/854,500
6. Step 6: Final answer
   x = 2,065,140.43