Finding the Third Proportional to 78,934.50 and 167,725.69

Step by Step Solution

1. Step 1: Write the proportion equation
   78,934.50 : 167,725.69 = 167,725.69 : x
2. Step 2: Convert to fraction form
   78,934.50/167,725.69 = 167,725.69/x
3. Step 3: Cross multiply
   78,934.50x = 167,725.69 × 167,725.69
4. Step 4: Simplify right side
   78,934.50x = 28,131,906,247.35
5. Step 5: Solve for x
   x = 28,131,906,247.35/78,934.50
6. Step 6: Final answer
   x = 356,395.57