Finding the Third Proportional to 1,521,713 and 3,598,685

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,713 : 3,598,685 = 3,598,685 : x
2. Step 2: Convert to fraction form
   1,521,713/3,598,685 = 3,598,685/x
3. Step 3: Cross multiply
   1,521,713x = 3,598,685 × 3,598,685
4. Step 4: Simplify right side
   1,521,713x = 12,950,533,729,225
5. Step 5: Solve for x
   x = 12,950,533,729,225/1,521,713
6. Step 6: Final answer
   x = 8,510,496.87