Finding the Third Proportional to 72,753 and 109,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,753 : 109,399.50 = 109,399.50 : x
2. Step 2: Convert to fraction form
   72,753/109,399.50 = 109,399.50/x
3. Step 3: Cross multiply
   72,753x = 109,399.50 × 109,399.50
4. Step 4: Simplify right side
   72,753x = 11,968,250,600.25
5. Step 5: Solve for x
   x = 11,968,250,600.25/72,753
6. Step 6: Final answer
   x = 164,505.25