Finding the Third Proportional to 2,015,574 and 4,385,422

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,574 : 4,385,422 = 4,385,422 : x
2. Step 2: Convert to fraction form
   2,015,574/4,385,422 = 4,385,422/x
3. Step 3: Cross multiply
   2,015,574x = 4,385,422 × 4,385,422
4. Step 4: Simplify right side
   2,015,574x = 19,231,926,118,084
5. Step 5: Solve for x
   x = 19,231,926,118,084/2,015,574
6. Step 6: Final answer
   x = 9,541,662.14