Finding the Third Proportional to 78,274.69 and 167,617.69

Step by Step Solution

1. Step 1: Write the proportion equation
   78,274.69 : 167,617.69 = 167,617.69 : x
2. Step 2: Convert to fraction form
   78,274.69/167,617.69 = 167,617.69/x
3. Step 3: Cross multiply
   78,274.69x = 167,617.69 × 167,617.69
4. Step 4: Simplify right side
   78,274.69x = 28,095,689,162.85
5. Step 5: Solve for x
   x = 28,095,689,162.85/78,274.69
6. Step 6: Final answer
   x = 358,937.10