Finding the Third Proportional to 59,311.50 and 91,738.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,311.50 : 91,738.75 = 91,738.75 : x
2. Step 2: Convert to fraction form
   59,311.50/91,738.75 = 91,738.75/x
3. Step 3: Cross multiply
   59,311.50x = 91,738.75 × 91,738.75
4. Step 4: Simplify right side
   59,311.50x = 8,415,998,251.56
5. Step 5: Solve for x
   x = 8,415,998,251.56/59,311.50
6. Step 6: Final answer
   x = 141,894.88