Finding the Third Proportional to 2,563,920 and 3,985,740

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563,920 : 3,985,740 = 3,985,740 : x
2. Step 2: Convert to fraction form
   2,563,920/3,985,740 = 3,985,740/x
3. Step 3: Cross multiply
   2,563,920x = 3,985,740 × 3,985,740
4. Step 4: Simplify right side
   2,563,920x = 15,886,123,347,600
5. Step 5: Solve for x
   x = 15,886,123,347,600/2,563,920
6. Step 6: Final answer
   x = 6,196,029.26