Finding the Third Proportional to 1,210,626 and 1,950,642

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210,626 : 1,950,642 = 1,950,642 : x
2. Step 2: Convert to fraction form
   1,210,626/1,950,642 = 1,950,642/x
3. Step 3: Cross multiply
   1,210,626x = 1,950,642 × 1,950,642
4. Step 4: Simplify right side
   1,210,626x = 3,805,004,212,164
5. Step 5: Solve for x
   x = 3,805,004,212,164/1,210,626
6. Step 6: Final answer
   x = 3,143,005.53