Finding the Third Proportional to 43,989.75 and 70,830

Step by Step Solution

1. Step 1: Write the proportion equation
   43,989.75 : 70,830 = 70,830 : x
2. Step 2: Convert to fraction form
   43,989.75/70,830 = 70,830/x
3. Step 3: Cross multiply
   43,989.75x = 70,830 × 70,830
4. Step 4: Simplify right side
   43,989.75x = 5,016,888,900
5. Step 5: Solve for x
   x = 5,016,888,900/43,989.75
6. Step 6: Final answer
   x = 114,046.77