Finding the Third Proportional to 3,493,856 and 7,407,664

Step by Step Solution

1. Step 1: Write the proportion equation
   3,493,856 : 7,407,664 = 7,407,664 : x
2. Step 2: Convert to fraction form
   3,493,856/7,407,664 = 7,407,664/x
3. Step 3: Cross multiply
   3,493,856x = 7,407,664 × 7,407,664
4. Step 4: Simplify right side
   3,493,856x = 54,873,485,936,896
5. Step 5: Solve for x
   x = 54,873,485,936,896/3,493,856
6. Step 6: Final answer
   x = 15,705,709.09