Finding the Third Proportional to 1,850,721 and 4,458,462

Step by Step Solution

1. Step 1: Write the proportion equation
   1,850,721 : 4,458,462 = 4,458,462 : x
2. Step 2: Convert to fraction form
   1,850,721/4,458,462 = 4,458,462/x
3. Step 3: Cross multiply
   1,850,721x = 4,458,462 × 4,458,462
4. Step 4: Simplify right side
   1,850,721x = 19,877,883,405,444
5. Step 5: Solve for x
   x = 19,877,883,405,444/1,850,721
6. Step 6: Final answer
   x = 10,740,615.90