Finding the Third Proportional to 40,239 and 60,145

Step by Step Solution

1. Step 1: Write the proportion equation
   40,239 : 60,145 = 60,145 : x
2. Step 2: Convert to fraction form
   40,239/60,145 = 60,145/x
3. Step 3: Cross multiply
   40,239x = 60,145 × 60,145
4. Step 4: Simplify right side
   40,239x = 3,617,421,025
5. Step 5: Solve for x
   x = 3,617,421,025/40,239
6. Step 6: Final answer
   x = 89,898.38