Finding the Third Proportional to 818,538 and 1,676,436

Step by Step Solution

1. Step 1: Write the proportion equation
   818,538 : 1,676,436 = 1,676,436 : x
2. Step 2: Convert to fraction form
   818,538/1,676,436 = 1,676,436/x
3. Step 3: Cross multiply
   818,538x = 1,676,436 × 1,676,436
4. Step 4: Simplify right side
   818,538x = 2,810,437,662,096
5. Step 5: Solve for x
   x = 2,810,437,662,096/818,538
6. Step 6: Final answer
   x = 3,433,484.65