Finding the Third Proportional to 2,010,123 and 4,374,621

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010,123 : 4,374,621 = 4,374,621 : x
2. Step 2: Convert to fraction form
   2,010,123/4,374,621 = 4,374,621/x
3. Step 3: Cross multiply
   2,010,123x = 4,374,621 × 4,374,621
4. Step 4: Simplify right side
   2,010,123x = 19,137,308,893,641
5. Step 5: Solve for x
   x = 19,137,308,893,641/2,010,123
6. Step 6: Final answer
   x = 9,520,466.61