Finding the Third Proportional to 89,138 and 141,087

Step by Step Solution

1. Step 1: Write the proportion equation
   89,138 : 141,087 = 141,087 : x
2. Step 2: Convert to fraction form
   89,138/141,087 = 141,087/x
3. Step 3: Cross multiply
   89,138x = 141,087 × 141,087
4. Step 4: Simplify right side
   89,138x = 19,905,541,569
5. Step 5: Solve for x
   x = 19,905,541,569/89,138
6. Step 6: Final answer
   x = 223,311.51