Finding the Third Proportional to 2,563,740 and 4,021,604

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563,740 : 4,021,604 = 4,021,604 : x
2. Step 2: Convert to fraction form
   2,563,740/4,021,604 = 4,021,604/x
3. Step 3: Cross multiply
   2,563,740x = 4,021,604 × 4,021,604
4. Step 4: Simplify right side
   2,563,740x = 16,173,298,732,816
5. Step 5: Solve for x
   x = 16,173,298,732,816/2,563,740
6. Step 6: Final answer
   x = 6,308,478.52