Finding the Third Proportional to 1,247,930 and 1,783,323

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,930 : 1,783,323 = 1,783,323 : x
2. Step 2: Convert to fraction form
   1,247,930/1,783,323 = 1,783,323/x
3. Step 3: Cross multiply
   1,247,930x = 1,783,323 × 1,783,323
4. Step 4: Simplify right side
   1,247,930x = 3,180,240,922,329
5. Step 5: Solve for x
   x = 3,180,240,922,329/1,247,930
6. Step 6: Final answer
   x = 2,548,412.91