Finding the Third Proportional to 2,430,291 and 5,318,268

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430,291 : 5,318,268 = 5,318,268 : x
2. Step 2: Convert to fraction form
   2,430,291/5,318,268 = 5,318,268/x
3. Step 3: Cross multiply
   2,430,291x = 5,318,268 × 5,318,268
4. Step 4: Simplify right side
   2,430,291x = 28,283,974,519,824
5. Step 5: Solve for x
   x = 28,283,974,519,824/2,430,291
6. Step 6: Final answer
   x = 11,638,101.99