Finding the Third Proportional to 89,587 and 129,501

Step by Step Solution

1. Step 1: Write the proportion equation
   89,587 : 129,501 = 129,501 : x
2. Step 2: Convert to fraction form
   89,587/129,501 = 129,501/x
3. Step 3: Cross multiply
   89,587x = 129,501 × 129,501
4. Step 4: Simplify right side
   89,587x = 16,770,509,001
5. Step 5: Solve for x
   x = 16,770,509,001/89,587
6. Step 6: Final answer
   x = 187,198.02