Finding the Third Proportional to 1,890,108 and 4,147,631

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,108 : 4,147,631 = 4,147,631 : x
2. Step 2: Convert to fraction form
   1,890,108/4,147,631 = 4,147,631/x
3. Step 3: Cross multiply
   1,890,108x = 4,147,631 × 4,147,631
4. Step 4: Simplify right side
   1,890,108x = 17,202,842,912,161
5. Step 5: Solve for x
   x = 17,202,842,912,161/1,890,108
6. Step 6: Final answer
   x = 9,101,513.20