Finding the Third Proportional to 3,904,712 and 7,161,424

Step by Step Solution

1. Step 1: Write the proportion equation
   3,904,712 : 7,161,424 = 7,161,424 : x
2. Step 2: Convert to fraction form
   3,904,712/7,161,424 = 7,161,424/x
3. Step 3: Cross multiply
   3,904,712x = 7,161,424 × 7,161,424
4. Step 4: Simplify right side
   3,904,712x = 51,285,993,707,776
5. Step 5: Solve for x
   x = 51,285,993,707,776/3,904,712
6. Step 6: Final answer
   x = 13,134,385.76