Finding the Third Proportional to 2,207,648 and 4,828,576

Step by Step Solution

1. Step 1: Write the proportion equation
   2,207,648 : 4,828,576 = 4,828,576 : x
2. Step 2: Convert to fraction form
   2,207,648/4,828,576 = 4,828,576/x
3. Step 3: Cross multiply
   2,207,648x = 4,828,576 × 4,828,576
4. Step 4: Simplify right side
   2,207,648x = 23,315,146,187,776
5. Step 5: Solve for x
   x = 23,315,146,187,776/2,207,648
6. Step 6: Final answer
   x = 10,561,079.57