Finding the Third Proportional to 1,409,766 and 2,115,081

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,766 : 2,115,081 = 2,115,081 : x
2. Step 2: Convert to fraction form
   1,409,766/2,115,081 = 2,115,081/x
3. Step 3: Cross multiply
   1,409,766x = 2,115,081 × 2,115,081
4. Step 4: Simplify right side
   1,409,766x = 4,473,567,636,561
5. Step 5: Solve for x
   x = 4,473,567,636,561/1,409,766
6. Step 6: Final answer
   x = 3,173,269.63