Finding the Third Proportional to 59,910.50 and 79,497.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,910.50 : 79,497.75 = 79,497.75 : x
2. Step 2: Convert to fraction form
   59,910.50/79,497.75 = 79,497.75/x
3. Step 3: Cross multiply
   59,910.50x = 79,497.75 × 79,497.75
4. Step 4: Simplify right side
   59,910.50x = 6,319,892,255.06
5. Step 5: Solve for x
   x = 6,319,892,255.06/59,910.50
6. Step 6: Final answer
   x = 105,488.89