Finding the Third Proportional to 854,412 and 1,845,876

Step by Step Solution

1. Step 1: Write the proportion equation
   854,412 : 1,845,876 = 1,845,876 : x
2. Step 2: Convert to fraction form
   854,412/1,845,876 = 1,845,876/x
3. Step 3: Cross multiply
   854,412x = 1,845,876 × 1,845,876
4. Step 4: Simplify right side
   854,412x = 3,407,258,207,376
5. Step 5: Solve for x
   x = 3,407,258,207,376/854,412
6. Step 6: Final answer
   x = 3,987,839.83