Finding the Third Proportional to 738,680 and 1,587,694

Step by Step Solution

1. Step 1: Write the proportion equation
   738,680 : 1,587,694 = 1,587,694 : x
2. Step 2: Convert to fraction form
   738,680/1,587,694 = 1,587,694/x
3. Step 3: Cross multiply
   738,680x = 1,587,694 × 1,587,694
4. Step 4: Simplify right side
   738,680x = 2,520,772,237,636
5. Step 5: Solve for x
   x = 2,520,772,237,636/738,680
6. Step 6: Final answer
   x = 3,412,536.20