Finding the Third Proportional to 56,728.50 and 79,495.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,728.50 : 79,495.50 = 79,495.50 : x
2. Step 2: Convert to fraction form
   56,728.50/79,495.50 = 79,495.50/x
3. Step 3: Cross multiply
   56,728.50x = 79,495.50 × 79,495.50
4. Step 4: Simplify right side
   56,728.50x = 6,319,534,520.25
5. Step 5: Solve for x
   x = 6,319,534,520.25/56,728.50
6. Step 6: Final answer
   x = 111,399.64