Finding the Third Proportional to 76,399.50 and 114,744

Step by Step Solution

1. Step 1: Write the proportion equation
   76,399.50 : 114,744 = 114,744 : x
2. Step 2: Convert to fraction form
   76,399.50/114,744 = 114,744/x
3. Step 3: Cross multiply
   76,399.50x = 114,744 × 114,744
4. Step 4: Simplify right side
   76,399.50x = 13,166,185,536
5. Step 5: Solve for x
   x = 13,166,185,536/76,399.50
6. Step 6: Final answer
   x = 172,333.40