Finding the Third Proportional to 169,911 and 269,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   169,911 : 269,932.50 = 269,932.50 : x
2. Step 2: Convert to fraction form
   169,911/269,932.50 = 269,932.50/x
3. Step 3: Cross multiply
   169,911x = 269,932.50 × 269,932.50
4. Step 4: Simplify right side
   169,911x = 72,863,554,556.25
5. Step 5: Solve for x
   x = 72,863,554,556.25/169,911
6. Step 6: Final answer
   x = 428,833.65