Finding the Third Proportional to 2,272,182 and 4,978,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272,182 : 4,978,920 = 4,978,920 : x
2. Step 2: Convert to fraction form
   2,272,182/4,978,920 = 4,978,920/x
3. Step 3: Cross multiply
   2,272,182x = 4,978,920 × 4,978,920
4. Step 4: Simplify right side
   2,272,182x = 24,789,644,366,400
5. Step 5: Solve for x
   x = 24,789,644,366,400/2,272,182
6. Step 6: Final answer
   x = 10,910,061.06