Finding the Third Proportional to 1,071,687 and 2,290,764

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,687 : 2,290,764 = 2,290,764 : x
2. Step 2: Convert to fraction form
   1,071,687/2,290,764 = 2,290,764/x
3. Step 3: Cross multiply
   1,071,687x = 2,290,764 × 2,290,764
4. Step 4: Simplify right side
   1,071,687x = 5,247,599,703,696
5. Step 5: Solve for x
   x = 5,247,599,703,696/1,071,687
6. Step 6: Final answer
   x = 4,896,578.67