Finding the Third Proportional to 39,119.20 and 59,424.89

Step by Step Solution

1. Step 1: Write the proportion equation
   39,119.20 : 59,424.89 = 59,424.89 : x
2. Step 2: Convert to fraction form
   39,119.20/59,424.89 = 59,424.89/x
3. Step 3: Cross multiply
   39,119.20x = 59,424.89 × 59,424.89
4. Step 4: Simplify right side
   39,119.20x = 3,531,317,625.79
5. Step 5: Solve for x
   x = 3,531,317,625.79/39,119.20
6. Step 6: Final answer
   x = 90,270.69