Finding the Third Proportional to 7,963,638 and 12,297,510

Step by Step Solution

1. Step 1: Write the proportion equation
   7,963,638 : 12,297,510 = 12,297,510 : x
2. Step 2: Convert to fraction form
   7,963,638/12,297,510 = 12,297,510/x
3. Step 3: Cross multiply
   7,963,638x = 12,297,510 × 12,297,510
4. Step 4: Simplify right side
   7,963,638x = 151,228,752,200,100
5. Step 5: Solve for x
   x = 151,228,752,200,100/7,963,638
6. Step 6: Final answer
   x = 18,989,907.90