Finding the Third Proportional to 122,604 and 164,760.75

Step by Step Solution

1. Step 1: Write the proportion equation
   122,604 : 164,760.75 = 164,760.75 : x
2. Step 2: Convert to fraction form
   122,604/164,760.75 = 164,760.75/x
3. Step 3: Cross multiply
   122,604x = 164,760.75 × 164,760.75
4. Step 4: Simplify right side
   122,604x = 27,146,104,740.56
5. Step 5: Solve for x
   x = 27,146,104,740.56/122,604
6. Step 6: Final answer
   x = 221,412.88