Finding the Third Proportional to 2,015,570 and 4,385,414

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,570 : 4,385,414 = 4,385,414 : x
2. Step 2: Convert to fraction form
   2,015,570/4,385,414 = 4,385,414/x
3. Step 3: Cross multiply
   2,015,570x = 4,385,414 × 4,385,414
4. Step 4: Simplify right side
   2,015,570x = 19,231,855,951,396
5. Step 5: Solve for x
   x = 19,231,855,951,396/2,015,570
6. Step 6: Final answer
   x = 9,541,646.26