Finding the Third Proportional to 42,240 and 59,104

Step by Step Solution

1. Step 1: Write the proportion equation
   42,240 : 59,104 = 59,104 : x
2. Step 2: Convert to fraction form
   42,240/59,104 = 59,104/x
3. Step 3: Cross multiply
   42,240x = 59,104 × 59,104
4. Step 4: Simplify right side
   42,240x = 3,493,282,816
5. Step 5: Solve for x
   x = 3,493,282,816/42,240
6. Step 6: Final answer
   x = 82,700.82