Finding the Third Proportional to 2,243,257 and 4,892,521

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243,257 : 4,892,521 = 4,892,521 : x
2. Step 2: Convert to fraction form
   2,243,257/4,892,521 = 4,892,521/x
3. Step 3: Cross multiply
   2,243,257x = 4,892,521 × 4,892,521
4. Step 4: Simplify right side
   2,243,257x = 23,936,761,735,441
5. Step 5: Solve for x
   x = 23,936,761,735,441/2,243,257
6. Step 6: Final answer
   x = 10,670,539.19