Finding the Third Proportional to 169,809 and 369,105

Step by Step Solution

1. Step 1: Write the proportion equation
   169,809 : 369,105 = 369,105 : x
2. Step 2: Convert to fraction form
   169,809/369,105 = 369,105/x
3. Step 3: Cross multiply
   169,809x = 369,105 × 369,105
4. Step 4: Simplify right side
   169,809x = 136,238,501,025
5. Step 5: Solve for x
   x = 136,238,501,025/169,809
6. Step 6: Final answer
   x = 802,304.36