Finding the Third Proportional to 2,639,248 and 4,080,072

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,248 : 4,080,072 = 4,080,072 : x
2. Step 2: Convert to fraction form
   2,639,248/4,080,072 = 4,080,072/x
3. Step 3: Cross multiply
   2,639,248x = 4,080,072 × 4,080,072
4. Step 4: Simplify right side
   2,639,248x = 16,646,987,525,184
5. Step 5: Solve for x
   x = 16,646,987,525,184/2,639,248
6. Step 6: Final answer
   x = 6,307,473.77