Finding the Third Proportional to 122,667 and 164,851.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,667 : 164,851.50 = 164,851.50 : x
2. Step 2: Convert to fraction form
   122,667/164,851.50 = 164,851.50/x
3. Step 3: Cross multiply
   122,667x = 164,851.50 × 164,851.50
4. Step 4: Simplify right side
   122,667x = 27,176,017,052.25
5. Step 5: Solve for x
   x = 27,176,017,052.25/122,667
6. Step 6: Final answer
   x = 221,543.02