Finding the Third Proportional to 2,639,475 and 4,080,510

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,475 : 4,080,510 = 4,080,510 : x
2. Step 2: Convert to fraction form
   2,639,475/4,080,510 = 4,080,510/x
3. Step 3: Cross multiply
   2,639,475x = 4,080,510 × 4,080,510
4. Step 4: Simplify right side
   2,639,475x = 16,650,561,860,100
5. Step 5: Solve for x
   x = 16,650,561,860,100/2,639,475
6. Step 6: Final answer
   x = 6,308,285.50