Finding the Third Proportional to 2,663,442 and 4,173,660

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663,442 : 4,173,660 = 4,173,660 : x
2. Step 2: Convert to fraction form
   2,663,442/4,173,660 = 4,173,660/x
3. Step 3: Cross multiply
   2,663,442x = 4,173,660 × 4,173,660
4. Step 4: Simplify right side
   2,663,442x = 17,419,437,795,600
5. Step 5: Solve for x
   x = 17,419,437,795,600/2,663,442
6. Step 6: Final answer
   x = 6,540,197.91