Finding the Third Proportional to 1,853,330 and 4,006,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853,330 : 4,006,456 = 4,006,456 : x
2. Step 2: Convert to fraction form
   1,853,330/4,006,456 = 4,006,456/x
3. Step 3: Cross multiply
   1,853,330x = 4,006,456 × 4,006,456
4. Step 4: Simplify right side
   1,853,330x = 16,051,689,679,936
5. Step 5: Solve for x
   x = 16,051,689,679,936/1,853,330
6. Step 6: Final answer
   x = 8,660,999.22