Finding the Third Proportional to 3,605,904 and 5,580,576

Step by Step Solution

1. Step 1: Write the proportion equation
   3,605,904 : 5,580,576 = 5,580,576 : x
2. Step 2: Convert to fraction form
   3,605,904/5,580,576 = 5,580,576/x
3. Step 3: Cross multiply
   3,605,904x = 5,580,576 × 5,580,576
4. Step 4: Simplify right side
   3,605,904x = 31,142,828,491,776
5. Step 5: Solve for x
   x = 31,142,828,491,776/3,605,904
6. Step 6: Final answer
   x = 8,636,621.63