Finding the Third Proportional to 1,513,640 and 2,276,839

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513,640 : 2,276,839 = 2,276,839 : x
2. Step 2: Convert to fraction form
   1,513,640/2,276,839 = 2,276,839/x
3. Step 3: Cross multiply
   1,513,640x = 2,276,839 × 2,276,839
4. Step 4: Simplify right side
   1,513,640x = 5,183,995,831,921
5. Step 5: Solve for x
   x = 5,183,995,831,921/1,513,640
6. Step 6: Final answer
   x = 3,424,853.88