Finding the Third Proportional to 3,246,608 and 5,140,648

Step by Step Solution

1. Step 1: Write the proportion equation
   3,246,608 : 5,140,648 = 5,140,648 : x
2. Step 2: Convert to fraction form
   3,246,608/5,140,648 = 5,140,648/x
3. Step 3: Cross multiply
   3,246,608x = 5,140,648 × 5,140,648
4. Step 4: Simplify right side
   3,246,608x = 26,426,261,859,904
5. Step 5: Solve for x
   x = 26,426,261,859,904/3,246,608
6. Step 6: Final answer
   x = 8,139,652.79