Finding the Third Proportional to 169,359.50 and 259,895

Step by Step Solution

1. Step 1: Write the proportion equation
   169,359.50 : 259,895 = 259,895 : x
2. Step 2: Convert to fraction form
   169,359.50/259,895 = 259,895/x
3. Step 3: Cross multiply
   169,359.50x = 259,895 × 259,895
4. Step 4: Simplify right side
   169,359.50x = 67,545,411,025
5. Step 5: Solve for x
   x = 67,545,411,025/169,359.50
6. Step 6: Final answer
   x = 398,828.59