Finding the Third Proportional to 2,004,880 and 4,678,215

Step by Step Solution

1. Step 1: Write the proportion equation
   2,004,880 : 4,678,215 = 4,678,215 : x
2. Step 2: Convert to fraction form
   2,004,880/4,678,215 = 4,678,215/x
3. Step 3: Cross multiply
   2,004,880x = 4,678,215 × 4,678,215
4. Step 4: Simplify right side
   2,004,880x = 21,885,695,586,225
5. Step 5: Solve for x
   x = 21,885,695,586,225/2,004,880
6. Step 6: Final answer
   x = 10,916,212.24