Finding the Third Proportional to 1,379,670 and 2,061,009

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379,670 : 2,061,009 = 2,061,009 : x
2. Step 2: Convert to fraction form
   1,379,670/2,061,009 = 2,061,009/x
3. Step 3: Cross multiply
   1,379,670x = 2,061,009 × 2,061,009
4. Step 4: Simplify right side
   1,379,670x = 4,247,758,098,081
5. Step 5: Solve for x
   x = 4,247,758,098,081/1,379,670
6. Step 6: Final answer
   x = 3,078,821.82