Finding the Third Proportional to 738,666 and 1,587,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   738,666 : 1,587,667.50 = 1,587,667.50 : x
2. Step 2: Convert to fraction form
   738,666/1,587,667.50 = 1,587,667.50/x
3. Step 3: Cross multiply
   738,666x = 1,587,667.50 × 1,587,667.50
4. Step 4: Simplify right side
   738,666x = 2,520,688,090,556.25
5. Step 5: Solve for x
   x = 2,520,688,090,556.25/738,666
6. Step 6: Final answer
   x = 3,412,486.96