Finding the Third Proportional to 1,578,064 and 3,407,924

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,064 : 3,407,924 = 3,407,924 : x
2. Step 2: Convert to fraction form
   1,578,064/3,407,924 = 3,407,924/x
3. Step 3: Cross multiply
   1,578,064x = 3,407,924 × 3,407,924
4. Step 4: Simplify right side
   1,578,064x = 11,613,945,989,776
5. Step 5: Solve for x
   x = 11,613,945,989,776/1,578,064
6. Step 6: Final answer
   x = 7,359,616.59