Finding the Third Proportional to 159,468 and 216,666

Step by Step Solution

1. Step 1: Write the proportion equation
   159,468 : 216,666 = 216,666 : x
2. Step 2: Convert to fraction form
   159,468/216,666 = 216,666/x
3. Step 3: Cross multiply
   159,468x = 216,666 × 216,666
4. Step 4: Simplify right side
   159,468x = 46,944,155,556
5. Step 5: Solve for x
   x = 46,944,155,556/159,468
6. Step 6: Final answer
   x = 294,379.79