Finding the Third Proportional to 159,985.13 and 325,513.69

Step by Step Solution

1. Step 1: Write the proportion equation
   159,985.13 : 325,513.69 = 325,513.69 : x
2. Step 2: Convert to fraction form
   159,985.13/325,513.69 = 325,513.69/x
3. Step 3: Cross multiply
   159,985.13x = 325,513.69 × 325,513.69
4. Step 4: Simplify right side
   159,985.13x = 105,959,160,749.85
5. Step 5: Solve for x
   x = 105,959,160,749.85/159,985.13
6. Step 6: Final answer
   x = 662,306.33