Finding the Third Proportional to 78,150 and 167,601

Step by Step Solution

1. Step 1: Write the proportion equation
   78,150 : 167,601 = 167,601 : x
2. Step 2: Convert to fraction form
   78,150/167,601 = 167,601/x
3. Step 3: Cross multiply
   78,150x = 167,601 × 167,601
4. Step 4: Simplify right side
   78,150x = 28,090,095,201
5. Step 5: Solve for x
   x = 28,090,095,201/78,150
6. Step 6: Final answer
   x = 359,438.20