Finding the Third Proportional to 1,607,040 and 2,431,296

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607,040 : 2,431,296 = 2,431,296 : x
2. Step 2: Convert to fraction form
   1,607,040/2,431,296 = 2,431,296/x
3. Step 3: Cross multiply
   1,607,040x = 2,431,296 × 2,431,296
4. Step 4: Simplify right side
   1,607,040x = 5,911,200,239,616
5. Step 5: Solve for x
   x = 5,911,200,239,616/1,607,040
6. Step 6: Final answer
   x = 3,678,315.56