Finding the Third Proportional to 848,692 and 1,818,729

Step by Step Solution

1. Step 1: Write the proportion equation
   848,692 : 1,818,729 = 1,818,729 : x
2. Step 2: Convert to fraction form
   848,692/1,818,729 = 1,818,729/x
3. Step 3: Cross multiply
   848,692x = 1,818,729 × 1,818,729
4. Step 4: Simplify right side
   848,692x = 3,307,775,175,441
5. Step 5: Solve for x
   x = 3,307,775,175,441/848,692
6. Step 6: Final answer
   x = 3,897,497.77