Finding the Third Proportional to 2,287,854 and 4,889,772

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287,854 : 4,889,772 = 4,889,772 : x
2. Step 2: Convert to fraction form
   2,287,854/4,889,772 = 4,889,772/x
3. Step 3: Cross multiply
   2,287,854x = 4,889,772 × 4,889,772
4. Step 4: Simplify right side
   2,287,854x = 23,909,870,211,984
5. Step 5: Solve for x
   x = 23,909,870,211,984/2,287,854
6. Step 6: Final answer
   x = 10,450,784.98