Finding the Third Proportional to 72,496.50 and 110,911.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,496.50 : 110,911.25 = 110,911.25 : x
2. Step 2: Convert to fraction form
   72,496.50/110,911.25 = 110,911.25/x
3. Step 3: Cross multiply
   72,496.50x = 110,911.25 × 110,911.25
4. Step 4: Simplify right side
   72,496.50x = 12,301,305,376.56
5. Step 5: Solve for x
   x = 12,301,305,376.56/72,496.50
6. Step 6: Final answer
   x = 169,681.37