Finding the Third Proportional to 2,647,498 and 5,780,510

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647,498 : 5,780,510 = 5,780,510 : x
2. Step 2: Convert to fraction form
   2,647,498/5,780,510 = 5,780,510/x
3. Step 3: Cross multiply
   2,647,498x = 5,780,510 × 5,780,510
4. Step 4: Simplify right side
   2,647,498x = 33,414,295,860,100
5. Step 5: Solve for x
   x = 33,414,295,860,100/2,647,498
6. Step 6: Final answer
   x = 12,621,084.46