Finding the Third Proportional to 40,210 and 59,145

Step by Step Solution

1. Step 1: Write the proportion equation
   40,210 : 59,145 = 59,145 : x
2. Step 2: Convert to fraction form
   40,210/59,145 = 59,145/x
3. Step 3: Cross multiply
   40,210x = 59,145 × 59,145
4. Step 4: Simplify right side
   40,210x = 3,498,131,025
5. Step 5: Solve for x
   x = 3,498,131,025/40,210
6. Step 6: Final answer
   x = 86,996.54