Finding the Third Proportional to 80,620.50 and 167,781

Step by Step Solution

1. Step 1: Write the proportion equation
   80,620.50 : 167,781 = 167,781 : x
2. Step 2: Convert to fraction form
   80,620.50/167,781 = 167,781/x
3. Step 3: Cross multiply
   80,620.50x = 167,781 × 167,781
4. Step 4: Simplify right side
   80,620.50x = 28,150,463,961
5. Step 5: Solve for x
   x = 28,150,463,961/80,620.50
6. Step 6: Final answer
   x = 349,172.53