Finding the Third Proportional to 52,521.75 and 79,879.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,521.75 : 79,879.50 = 79,879.50 : x
2. Step 2: Convert to fraction form
   52,521.75/79,879.50 = 79,879.50/x
3. Step 3: Cross multiply
   52,521.75x = 79,879.50 × 79,879.50
4. Step 4: Simplify right side
   52,521.75x = 6,380,734,520.25
5. Step 5: Solve for x
   x = 6,380,734,520.25/52,521.75
6. Step 6: Final answer
   x = 121,487.47