Finding the Third Proportional to 122,601 and 164,756.25

Step by Step Solution

1. Step 1: Write the proportion equation
   122,601 : 164,756.25 = 164,756.25 : x
2. Step 2: Convert to fraction form
   122,601/164,756.25 = 164,756.25/x
3. Step 3: Cross multiply
   122,601x = 164,756.25 × 164,756.25
4. Step 4: Simplify right side
   122,601x = 27,144,621,914.06
5. Step 5: Solve for x
   x = 27,144,621,914.06/122,601
6. Step 6: Final answer
   x = 221,406.20