Finding the Third Proportional to 40,018.50 and 60,138

Step by Step Solution

1. Step 1: Write the proportion equation
   40,018.50 : 60,138 = 60,138 : x
2. Step 2: Convert to fraction form
   40,018.50/60,138 = 60,138/x
3. Step 3: Cross multiply
   40,018.50x = 60,138 × 60,138
4. Step 4: Simplify right side
   40,018.50x = 3,616,579,044
5. Step 5: Solve for x
   x = 3,616,579,044/40,018.50
6. Step 6: Final answer
   x = 90,372.68