Finding the Third Proportional to 2,621,399.50 and 3,541,673

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621,399.50 : 3,541,673 = 3,541,673 : x
2. Step 2: Convert to fraction form
   2,621,399.50/3,541,673 = 3,541,673/x
3. Step 3: Cross multiply
   2,621,399.50x = 3,541,673 × 3,541,673
4. Step 4: Simplify right side
   2,621,399.50x = 12,543,447,638,929
5. Step 5: Solve for x
   x = 12,543,447,638,929/2,621,399.50
6. Step 6: Final answer
   x = 4,785,019.47