Finding the Third Proportional to 53,530.50 and 72,105.75

Step by Step Solution

1. Step 1: Write the proportion equation
   53,530.50 : 72,105.75 = 72,105.75 : x
2. Step 2: Convert to fraction form
   53,530.50/72,105.75 = 72,105.75/x
3. Step 3: Cross multiply
   53,530.50x = 72,105.75 × 72,105.75
4. Step 4: Simplify right side
   53,530.50x = 5,199,239,183.06
5. Step 5: Solve for x
   x = 5,199,239,183.06/53,530.50
6. Step 6: Final answer
   x = 97,126.67