Finding the Third Proportional to 2,318,678 and 3,503,395

Step by Step Solution

1. Step 1: Write the proportion equation
   2,318,678 : 3,503,395 = 3,503,395 : x
2. Step 2: Convert to fraction form
   2,318,678/3,503,395 = 3,503,395/x
3. Step 3: Cross multiply
   2,318,678x = 3,503,395 × 3,503,395
4. Step 4: Simplify right side
   2,318,678x = 12,273,776,526,025
5. Step 5: Solve for x
   x = 12,273,776,526,025/2,318,678
6. Step 6: Final answer
   x = 5,293,437.26