Finding the Third Proportional to 1,665,589 and 3,616,576

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,589 : 3,616,576 = 3,616,576 : x
2. Step 2: Convert to fraction form
   1,665,589/3,616,576 = 3,616,576/x
3. Step 3: Cross multiply
   1,665,589x = 3,616,576 × 3,616,576
4. Step 4: Simplify right side
   1,665,589x = 13,079,621,963,776
5. Step 5: Solve for x
   x = 13,079,621,963,776/1,665,589
6. Step 6: Final answer
   x = 7,852,850.83