Finding the Third Proportional to 1,247,754 and 1,863,315

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,754 : 1,863,315 = 1,863,315 : x
2. Step 2: Convert to fraction form
   1,247,754/1,863,315 = 1,863,315/x
3. Step 3: Cross multiply
   1,247,754x = 1,863,315 × 1,863,315
4. Step 4: Simplify right side
   1,247,754x = 3,471,942,789,225
5. Step 5: Solve for x
   x = 3,471,942,789,225/1,247,754
6. Step 6: Final answer
   x = 2,782,553.92