Finding the Third Proportional to 2,008,298 and 4,415,128

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008,298 : 4,415,128 = 4,415,128 : x
2. Step 2: Convert to fraction form
   2,008,298/4,415,128 = 4,415,128/x
3. Step 3: Cross multiply
   2,008,298x = 4,415,128 × 4,415,128
4. Step 4: Simplify right side
   2,008,298x = 19,493,355,256,384
5. Step 5: Solve for x
   x = 19,493,355,256,384/2,008,298
6. Step 6: Final answer
   x = 9,706,405.75