Finding the Third Proportional to 6,954,540 and 10,638,345

Step by Step Solution

1. Step 1: Write the proportion equation
   6,954,540 : 10,638,345 = 10,638,345 : x
2. Step 2: Convert to fraction form
   6,954,540/10,638,345 = 10,638,345/x
3. Step 3: Cross multiply
   6,954,540x = 10,638,345 × 10,638,345
4. Step 4: Simplify right side
   6,954,540x = 113,174,384,339,025
5. Step 5: Solve for x
   x = 113,174,384,339,025/6,954,540
6. Step 6: Final answer
   x = 16,273,453.65