Finding the Third Proportional to 738,659.50 and 1,587,666

Step by Step Solution

1. Step 1: Write the proportion equation
   738,659.50 : 1,587,666 = 1,587,666 : x
2. Step 2: Convert to fraction form
   738,659.50/1,587,666 = 1,587,666/x
3. Step 3: Cross multiply
   738,659.50x = 1,587,666 × 1,587,666
4. Step 4: Simplify right side
   738,659.50x = 2,520,683,327,556
5. Step 5: Solve for x
   x = 2,520,683,327,556/738,659.50
6. Step 6: Final answer
   x = 3,412,510.54