Finding the Third Proportional to 2,639,448 and 4,080,468

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,448 : 4,080,468 = 4,080,468 : x
2. Step 2: Convert to fraction form
   2,639,448/4,080,468 = 4,080,468/x
3. Step 3: Cross multiply
   2,639,448x = 4,080,468 × 4,080,468
4. Step 4: Simplify right side
   2,639,448x = 16,650,219,099,024
5. Step 5: Solve for x
   x = 16,650,219,099,024/2,639,448
6. Step 6: Final answer
   x = 6,308,220.17