Finding the Third Proportional to 89,240 and 118,972

Step by Step Solution

1. Step 1: Write the proportion equation
   89,240 : 118,972 = 118,972 : x
2. Step 2: Convert to fraction form
   89,240/118,972 = 118,972/x
3. Step 3: Cross multiply
   89,240x = 118,972 × 118,972
4. Step 4: Simplify right side
   89,240x = 14,154,336,784
5. Step 5: Solve for x
   x = 14,154,336,784/89,240
6. Step 6: Final answer
   x = 158,609.78