Finding the Third Proportional to 2,289,423 and 4,521,225

Step by Step Solution

1. Step 1: Write the proportion equation
   2,289,423 : 4,521,225 = 4,521,225 : x
2. Step 2: Convert to fraction form
   2,289,423/4,521,225 = 4,521,225/x
3. Step 3: Cross multiply
   2,289,423x = 4,521,225 × 4,521,225
4. Step 4: Simplify right side
   2,289,423x = 20,441,475,500,625
5. Step 5: Solve for x
   x = 20,441,475,500,625/2,289,423
6. Step 6: Final answer
   x = 8,928,658.23