Finding the Third Proportional to 6,345,515 and 13,907,499

Step by Step Solution

1. Step 1: Write the proportion equation
   6,345,515 : 13,907,499 = 13,907,499 : x
2. Step 2: Convert to fraction form
   6,345,515/13,907,499 = 13,907,499/x
3. Step 3: Cross multiply
   6,345,515x = 13,907,499 × 13,907,499
4. Step 4: Simplify right side
   6,345,515x = 193,418,528,435,001
5. Step 5: Solve for x
   x = 193,418,528,435,001/6,345,515
6. Step 6: Final answer
   x = 30,481,139.58