Finding the Third Proportional to 1,210,631 and 1,950,650

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210,631 : 1,950,650 = 1,950,650 : x
2. Step 2: Convert to fraction form
   1,210,631/1,950,650 = 1,950,650/x
3. Step 3: Cross multiply
   1,210,631x = 1,950,650 × 1,950,650
4. Step 4: Simplify right side
   1,210,631x = 3,805,035,422,500
5. Step 5: Solve for x
   x = 3,805,035,422,500/1,210,631
6. Step 6: Final answer
   x = 3,143,018.33