Finding the Third Proportional to 1,247,940 and 1,783,338

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,940 : 1,783,338 = 1,783,338 : x
2. Step 2: Convert to fraction form
   1,247,940/1,783,338 = 1,783,338/x
3. Step 3: Cross multiply
   1,247,940x = 1,783,338 × 1,783,338
4. Step 4: Simplify right side
   1,247,940x = 3,180,294,422,244
5. Step 5: Solve for x
   x = 3,180,294,422,244/1,247,940
6. Step 6: Final answer
   x = 2,548,435.36