Finding the Third Proportional to 806,866 and 1,901,970

Step by Step Solution

1. Step 1: Write the proportion equation
   806,866 : 1,901,970 = 1,901,970 : x
2. Step 2: Convert to fraction form
   806,866/1,901,970 = 1,901,970/x
3. Step 3: Cross multiply
   806,866x = 1,901,970 × 1,901,970
4. Step 4: Simplify right side
   806,866x = 3,617,489,880,900
5. Step 5: Solve for x
   x = 3,617,489,880,900/806,866
6. Step 6: Final answer
   x = 4,483,383.71