Finding the Third Proportional to 78,836 and 169,336

Step by Step Solution

1. Step 1: Write the proportion equation
   78,836 : 169,336 = 169,336 : x
2. Step 2: Convert to fraction form
   78,836/169,336 = 169,336/x
3. Step 3: Cross multiply
   78,836x = 169,336 × 169,336
4. Step 4: Simplify right side
   78,836x = 28,674,680,896
5. Step 5: Solve for x
   x = 28,674,680,896/78,836
6. Step 6: Final answer
   x = 363,725.72