Finding the Third Proportional to 109,111.50 and 164,072.25

Step by Step Solution

1. Step 1: Write the proportion equation
   109,111.50 : 164,072.25 = 164,072.25 : x
2. Step 2: Convert to fraction form
   109,111.50/164,072.25 = 164,072.25/x
3. Step 3: Cross multiply
   109,111.50x = 164,072.25 × 164,072.25
4. Step 4: Simplify right side
   109,111.50x = 26,919,703,220.06
5. Step 5: Solve for x
   x = 26,919,703,220.06/109,111.50
6. Step 6: Final answer
   x = 246,717.38