Finding the Third Proportional to 619,734 and 1,313,880

Step by Step Solution

1. Step 1: Write the proportion equation
   619,734 : 1,313,880 = 1,313,880 : x
2. Step 2: Convert to fraction form
   619,734/1,313,880 = 1,313,880/x
3. Step 3: Cross multiply
   619,734x = 1,313,880 × 1,313,880
4. Step 4: Simplify right side
   619,734x = 1,726,280,654,400
5. Step 5: Solve for x
   x = 1,726,280,654,400/619,734
6. Step 6: Final answer
   x = 2,785,518.71