Finding the Third Proportional to 169,717.50 and 359,118

Step by Step Solution

1. Step 1: Write the proportion equation
   169,717.50 : 359,118 = 359,118 : x
2. Step 2: Convert to fraction form
   169,717.50/359,118 = 359,118/x
3. Step 3: Cross multiply
   169,717.50x = 359,118 × 359,118
4. Step 4: Simplify right side
   169,717.50x = 128,965,737,924
5. Step 5: Solve for x
   x = 128,965,737,924/169,717.50
6. Step 6: Final answer
   x = 759,884.74