Finding the Third Proportional to 2,099,271 and 4,578,396

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,271 : 4,578,396 = 4,578,396 : x
2. Step 2: Convert to fraction form
   2,099,271/4,578,396 = 4,578,396/x
3. Step 3: Cross multiply
   2,099,271x = 4,578,396 × 4,578,396
4. Step 4: Simplify right side
   2,099,271x = 20,961,709,932,816
5. Step 5: Solve for x
   x = 20,961,709,932,816/2,099,271
6. Step 6: Final answer
   x = 9,985,232.94