Finding the Third Proportional to 39,909.94 and 59,518.69

Step by Step Solution

1. Step 1: Write the proportion equation
   39,909.94 : 59,518.69 = 59,518.69 : x
2. Step 2: Convert to fraction form
   39,909.94/59,518.69 = 59,518.69/x
3. Step 3: Cross multiply
   39,909.94x = 59,518.69 × 59,518.69
4. Step 4: Simplify right side
   39,909.94x = 3,542,474,161.72
5. Step 5: Solve for x
   x = 3,542,474,161.72/39,909.94
6. Step 6: Final answer
   x = 88,761.71