Finding the Third Proportional to 2,287,643 and 4,929,855

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287,643 : 4,929,855 = 4,929,855 : x
2. Step 2: Convert to fraction form
   2,287,643/4,929,855 = 4,929,855/x
3. Step 3: Cross multiply
   2,287,643x = 4,929,855 × 4,929,855
4. Step 4: Simplify right side
   2,287,643x = 24,303,470,321,025
5. Step 5: Solve for x
   x = 24,303,470,321,025/2,287,643
6. Step 6: Final answer
   x = 10,623,803.77