Finding the Third Proportional to 1,247,975 and 1,783,389

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,975 : 1,783,389 = 1,783,389 : x
2. Step 2: Convert to fraction form
   1,247,975/1,783,389 = 1,783,389/x
3. Step 3: Cross multiply
   1,247,975x = 1,783,389 × 1,783,389
4. Step 4: Simplify right side
   1,247,975x = 3,180,476,325,321
5. Step 5: Solve for x
   x = 3,180,476,325,321/1,247,975
6. Step 6: Final answer
   x = 2,548,509.65