Finding the Third Proportional to 1,214,590 and 1,930,020

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,590 : 1,930,020 = 1,930,020 : x
2. Step 2: Convert to fraction form
   1,214,590/1,930,020 = 1,930,020/x
3. Step 3: Cross multiply
   1,214,590x = 1,930,020 × 1,930,020
4. Step 4: Simplify right side
   1,214,590x = 3,724,977,200,400
5. Step 5: Solve for x
   x = 3,724,977,200,400/1,214,590
6. Step 6: Final answer
   x = 3,066,859.76