Finding the Third Proportional to 590,890 and 1,296,666

Step by Step Solution

1. Step 1: Write the proportion equation
   590,890 : 1,296,666 = 1,296,666 : x
2. Step 2: Convert to fraction form
   590,890/1,296,666 = 1,296,666/x
3. Step 3: Cross multiply
   590,890x = 1,296,666 × 1,296,666
4. Step 4: Simplify right side
   590,890x = 1,681,342,715,556
5. Step 5: Solve for x
   x = 1,681,342,715,556/590,890
6. Step 6: Final answer
   x = 2,845,441.14