Finding the Third Proportional to 1,249,180 and 2,687,792

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249,180 : 2,687,792 = 2,687,792 : x
2. Step 2: Convert to fraction form
   1,249,180/2,687,792 = 2,687,792/x
3. Step 3: Cross multiply
   1,249,180x = 2,687,792 × 2,687,792
4. Step 4: Simplify right side
   1,249,180x = 7,224,225,835,264
5. Step 5: Solve for x
   x = 7,224,225,835,264/1,249,180
6. Step 6: Final answer
   x = 5,783,174.43