Finding the Third Proportional to 738,670 and 1,587,686

Step by Step Solution

1. Step 1: Write the proportion equation
   738,670 : 1,587,686 = 1,587,686 : x
2. Step 2: Convert to fraction form
   738,670/1,587,686 = 1,587,686/x
3. Step 3: Cross multiply
   738,670x = 1,587,686 × 1,587,686
4. Step 4: Simplify right side
   738,670x = 2,520,746,834,596
5. Step 5: Solve for x
   x = 2,520,746,834,596/738,670
6. Step 6: Final answer
   x = 3,412,548.00