Finding the Third Proportional to 376,818 and 819,084.38

Step by Step Solution

1. Step 1: Write the proportion equation
   376,818 : 819,084.38 = 819,084.38 : x
2. Step 2: Convert to fraction form
   376,818/819,084.38 = 819,084.38/x
3. Step 3: Cross multiply
   376,818x = 819,084.38 × 819,084.38
4. Step 4: Simplify right side
   376,818x = 670,899,213,369.14
5. Step 5: Solve for x
   x = 670,899,213,369.14/376,818
6. Step 6: Final answer
   x = 1,780,433.03