Finding the Third Proportional to 43,015 and 89,972

Step by Step Solution

1. Step 1: Write the proportion equation
   43,015 : 89,972 = 89,972 : x
2. Step 2: Convert to fraction form
   43,015/89,972 = 89,972/x
3. Step 3: Cross multiply
   43,015x = 89,972 × 89,972
4. Step 4: Simplify right side
   43,015x = 8,094,960,784
5. Step 5: Solve for x
   x = 8,094,960,784/43,015
6. Step 6: Final answer
   x = 188,189.25