Finding the Third Proportional to 59,826 and 87,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,826 : 87,142.50 = 87,142.50 : x
2. Step 2: Convert to fraction form
   59,826/87,142.50 = 87,142.50/x
3. Step 3: Cross multiply
   59,826x = 87,142.50 × 87,142.50
4. Step 4: Simplify right side
   59,826x = 7,593,815,306.25
5. Step 5: Solve for x
   x = 7,593,815,306.25/59,826
6. Step 6: Final answer
   x = 126,931.69